About 7 Trademarks found that are owned by Keystone Lintels Limited

Metal windows; metal skylights; metal roofing; roof elements, namely, roof gutters of metal; flashing and flashing frames of metal; metal window frames; opening and closing devices and mechanisms for windows, namely, metal window cranks and metal screwjacks; fastening devices and locking devices and fittings for windows and doors, namely, metal locks and metal fittings for windows and doors; replacement parts and fittings made of metal for all of the aforesaid goods

KEY LIGHT

Building materials, namely, grids of metal, metal beams, metal joists, metal trusses, metal rafters, metal ceiling boards, metal floor boards, metal building panels, composite panels composed primarily of metal, metal canopies, metal awning, metal fascia, metal soffits and metal flashing; building materials, namely, fired refractory materials of metal; building materials made primarily of metal, namely, panels incorporating thermal, fire and acoustic insulation; modular building units wholly or predominantly of metal; modular portable building structures wholly or predominantly of metal; modular portable building units wholly or predominantly of metal; modular portable building units wholly or predominantly of metal for construction into relocatable buildings; building components, elements and products, namely, reinforcing materials of metal for construction and building, metal pillars for construction and building, metal building panels, metal cladding for construction and building, metal partitions for building, metal cavity trays, metal framework for building, linings of metal for building purposes, metal expansion joints for walls, metal expansion joints for ceilings, metal expansion joints for floors and metal seals for use in building and construction; building elements made of metal, namely, fabricated metal components for building foundations; wall framing made primarily of metal; metal profiles for arranging devices on and in walls, ceilings and other surfaces; fire-resistant boards and panels primarily of metal for building and construction; ironmongery of metal for building, namely, namely, small items of metal hardware, namely, metal slabs, metal screws, metal bolts, metal rings, metal washers, metal pipe rings and metal springs; builders metalwork and architectural metalwork; metal window fittings; metal pipe fittings; metal door fittings; metal roof vents for heating cooling and ventilation in residential and commercial buildings; metal window vents for heating cooling and ventilation in residential and commercial buildings; metal wall vents for heating cooling and ventilation in residential and commercial buildings; fittings wholly or predominantly of metal for building; metal prefabricated elements for building, namely, metal roofing panels, metal wall panels, metal floor panels and metal ceiling panels; metal prefabricated components for building, namely, prefabricated metal walls, prefabricated metal ceilings, prefabricated metal floors and prefabricated metal roofs; metal fixing devices in the nature of metal fasteners and metal joining components, namely, threaded studs, clamps, cramps, plugs, bolts, nails, rivets, screws and staples for construction or industry use; metal bonding fasteners for mounting and demounting of ceilings and wall panels; structural joint connectors of metal; fixing bolts wholly or predominantly of metal; fixing nails wholly or predominantly of metal; fixing plates wholly or predominantly of metal; metal ties for use in building; wall ties wholly or predominantly of metal; metal anchors for brickwork; building restraints in the nature of metal brackets, metal straps and metal tie-downs for masonry and brickwork; joist struts and hangers and parts and fittings therefor made of metal; truss struts and hangers and parts and fittings therefor made of metal; metal anchor plates; anchor bolts wholly or predominantly of metal; anchor channels wholly or predominantly of metal; masonry anchors wholly or predominantly of metal; anchorage plates wholly or predominantly of metal; anchoring devices wholly or predominantly of metal; metal threaded fasteners; metal bolts; architectural fasteners wholly or predominantly of metal, namely, bolts, nails, rivets and screws; screw threaded fasteners wholly or predominantly of metal; fixing bolts wholly or predominantly of metal; fixing plates wholly or predominantly of metal; metal spacer brackets for building walls, floors, ceilings and decking; cantilevered brackets wholly or predominantly of metal; brackets wholly or predominantly of metal for building; masonry nails wholly or predominantly of metal; bar connectors wholly or predominantly of metal; threaded bars wholly or predominantly of metal; reinforcing bars wholly or predominantly of metal; reinforcing bars wholly or predominantly of metal for use in concrete; reinforcing bars wholly or predominantly of metal for use in masonry; reinforcing bars wholly or predominantly of metal for use in brickwork; steel rebars, rods, and mesh used for strengthening and reinforcing concrete and masonry structures; structural steelwork and structural steels, namely, steel frames for building; building and construction elements made of metal, namely, supports; structural building elements wholly or predominantly of metal, namely, masonry supports of metal; brickwork supports of metal; ceiling supports of metal; wall supports of metal; floor supports of metal; structural building members wholly or predominantly of metal, in the nature of wall panels, ceiling panels, floor panels and roofing panels; metal reinforcement materials for building; metal floors and ceilings for use in buildings; sheet metal fabrications; lintels wholly or predominantly of metal; metal wall, floor, ceiling, window, door, roof and fencing panels; bolts wholly or predominantly of metal; metal flat bolts; braces wholly or predominantly of metal for handling loads; straps of metal for load handling; metal strapping or tie downs; buckles of common metal; metal eye bolts; metal hooks; latch bars wholly or predominantly of metal; latches wholly or predominantly of metal of metal; laths wholly or predominantly of metal; metal pins for use in building and construction; metal clips for general use; metal clips for building; clip clamps wholly or predominantly of metal; rivets of metal; metal nuts; metal clasps for masonry and brickwork; pulleys of metal, other than for machines; metal mounting brackets for general use; metal mounting brackets for use with beams, joists and trusses; metal mounting bracket for use with masonry and brickwork; screws of metal; metal trims for buildings; metal webbed belts for handling loads; steel, unwrought or semi-wrought; metal joinery fittings

Building and construction materials, namely, non-metal beams, non-metal joists, non-metal wall panels, non-metal, non-metal ceiling boards, non-metal floor boards, non-metal building boards, non-metal canopies; non-metal building materials, namely, wood, particle boards, composite panels composed primarily of non-metal materials, fiberglass panels, fascia, soffits, veneers, precast concrete wall forms, glass for building, cellular PVC trims, plastic pipe supports and non-woven textiles made of synthetic fibres for use in the building industry; building materials, namely, manufactured brick veneer for use on interior and exterior walls, floors, and surfaces; non-metallic building materials, namely, panels incorporating thermal, fire and acoustic insulation; building and construction materials, namely, barriers, sheets, panels and boards made primarily of rock fibers; building and construction materials, namely, composite sheets and panels comprising primarily of a reinforced cement core mechanically bonded to steel sheets on both outer surfaces for use in barriers, walls, doors, ducts, floors and ceilings; fire-resistant barriers, comprised primarily of a reinforced cement for use in barriers, walls, doors, ducts, floors and ceilings; building elements, namely, waterproofing membranes for roofing, floors and walls; waterproof fabric used in building construction for protection against floods and flooding; reinforcing materials, not of metal, for building; construction elements not made of metal, namely, supports; construction elements not made of metal, namely, non-metal fire retardant boards and panels for construction and non-metal fire-resistant boards and panels for construction; fire-resistant boards and panels primarily of non-metal materials for building and construction; fire retardant boards and panels primarily of non-metal materials for building and construction; chemically treated wood, namely, wood beams, wood boards, wood joists, wood rafters, wood siding, wood tile floors and flooring, wood trim, wooden beams, wooden flooring, wooden railings, and wooden wainscoting, all of the above containing a fire retardant chemical; building products wholly or predominantly of non-metal, namely, reinforcing materials of non-metal for construction and building, non-metal pillars for construction and building, non-metal cladding for construction and building, non-metal partitions for building, non-metal cavity trays, non-metal framework for building, partitions for building and non-metal weight-supporting corbels for building purposes; non-metal ready mountable building parts, namely, non-metal posts, non-metal wall panels, non-metal floor panels, non-metal ceiling panels, non-metal roofing panels, non-metal wall claddings; flashing, not of metal, for building; building panels wholly or predominantly not of metal; laminated building panels wholly or predominantly not of metal; preformed building panels wholly or predominantly not of metal; structural building elements, namely, non-metal building frameworks, masonry supports of non-metal, brickwork supports of non-metal, ceiling supports of non-metal, wall supports of metal and floor supports of metal; modular wall panelling of non-metallic materials; lintels wholly or predominantly of non-metal; non-metal fittings for building, namely, non-metal brackets for building, non-metal expansion joints for walls, non-metal expansion joints for ceilings and non-metal expansion joints for floors; non-metal prefabricated elements and components for building, namely, prefabricated non-metal walls and wall portions, prefabricated non-metal canopies, prefabricated non-metal ceilings, prefabricated non-metal floors and prefabricated non-metal roofs; reinforcing materials, wholly or predominantly not of metal, for building; reinforcement rods, wholly or predominantly not of metal for concrete and wood building construction; non-metal ties for use in building; non-metal ties for use in brickwork; non-metal ties for cavity walls; reinforcing bars, wholly or predominantly not of metal, for buildings; non-metallic reinforcements for concrete and wood building construction, namely, plates, rods and bars; structural support members, namely, non-metal beams, non-metal joists, non-metal rafters, non-metal trusses, structural timber; non-metal structural reinforcement materials for construction purposes; structural elements, namely, non-metal roofs and roofing for use in building; joist struts and hangers and parts and fittings therefor made primarily of non-metal; truss struts and hangers and parts and fittings therefor made primarily of non-metal; wooden floor boards for building

ready mountable non-metal windows; skylights; non-metal window frames and sections; insulated glass window glass; non-metal roofing materials and roof elements,namely roofing panels and parts and fittings for the aforesaid goods therefor

windows; skylights; building flashing and flashing frames; window frames and sections; opening and closing devices and mechanisms for windows, namely, metal window handles fastening and locking devices for windows and doors, namely metal sash fasteners for windows; all being wholly or primarily of metal; parts and fittings for the aforesaid goods therefor

CENTER LIGHT

Non-metal window shutters; non-metal external roller window blinds; parts and fittings for the aforesaid goods therefore

Remote controls for opening and closing of windows; rain, moisture, temperature, sun and wind sensors, all for opening and closing of windows; control panels for electronic supervision and operation of windows; electric operating controls for the regulation and control of interior and exterior screens for windows; all being electric and electronic operating devices; parts and fittings for the aforesaid goods therefore

Non-metal skylights; Construction elements not made of metal, namely, flexible pipes for channeling light from outdoors into the interior of a building; supports for skylights and roof lights; skylight diffusers of synthetic resins

Domed metal skylights and roof lights; metal fittings for building materials, namely, bezels, diffuser pipes, ceiling trim

KEY LIGHT

Slatted interior blinds, internal roller blinds, not of metal, paper or textile; Venetian blinds; rods, rails, tie-backs, rings and hooks, all for curtains; roller blinds made of wood or non-textile material