| RG CONNECTOR WORKMAN DEVELOPMENTS INC.
73655298 15 Apr 1987 | on 17 Oct 2009 | PLASTIC COUPLING CONNECTOR APPLIED TO FLEXIBLE THERMOPLASTIC PIPE FOR ... Class 017 PLASTIC COUPLING CONNECTOR APPLIED TO FLEXIBLE THERMOPLASTIC PIPE FOR WATER AND SLURRY IN THE MINING INDUSTRY | | | CERAMFLEX WORKMAN DEVELOPMENTS, INC.
73565578 28 Oct 1985 | on 07 Jul 2007 | SHEETS, BARS, AND OTHER ITEMS OF A PROPRIETARY FORMULATION OF A CERAMI... Class 017 SHEETS, BARS, AND OTHER ITEMS OF A PROPRIETARY FORMULATION OF A CERAMIC IMPREGNATED/FILLED SYNTHETIC RUBBER WHICH ARE APPLIED TO THE SURFACES OF MATERIAL HANDLING FACILITIES TO PREVENT ABRASIVE AND IMPACT WEAR AND TO REDUCE NOISE FOR USE IN THE MINING INDUSTRY | | | SUPER SLICK WORKMAN DEVELOPMENTS, INC.
74505460 28 Mar 1994 | on 08 Feb 2003 | ultrahigh molecular weight, high density polyethylene sheets used in t... Class 017 ultrahigh molecular weight, high density polyethylene sheets used in the mining industry | | | SUPERPIPE WORKMAN DEVELOPMENTS, INC.
74509380 30 Mar 1994 | on 20 Jul 2002 | high molecular weight, high density polyethylene pre-formed forgings a... Class 017 high molecular weight, high density polyethylene pre-formed forgings and extrusions sold to the mining industry | | | Logo Mark WORKMAN DEVELOPMENTS, INC.
74505472 28 Mar 1994 | on 22 Jun 2002 | ultra high molecular weight, high density polyethylene sheets and pre-... Class 017 ultra high molecular weight, high density polyethylene sheets and pre-formed forgings and extrusions sold to the mining industry | | | Logo Mark WORKMAN DEVELOPMENTS, INC.
74505459 28 Mar 1994 | on 22 Jun 2002 | ultra high molecular weight, high density polyethylene sheets and pre-... Class 017 ultra high molecular weight, high density polyethylene sheets and pre-formed forgings and extrusions sold to the mining industry | | | Logo Mark WORKMAN DEVELOPMENTS, INC.
74505458 28 Mar 1994 | on 22 Jun 2002 | ultra high molecular weight, high density polyethylene sheets and pre-... Class 017 ultra high molecular weight, high density polyethylene sheets and pre-formed forgings and extrusions sold to the mining industry | | | GRIPPER WORKMAN DEVELOPMENTS, INC.
74339252 11 Dec 1992 | on 20 Oct 2001 | plastic coupling for use with pipe and pipe fittings,plastic coupling ... Class 017 plastic coupling for use with pipe and pipe fittings | | | WD WORKMAN DEVELOPMENTS, INC.
75338038 09 Aug 1997 | on 17 Jan 1999 | ultrahigh molecular weight, high density polyethylene sheets; plastic ... Class 008 Class 008 Hand Tool Products ultrahigh molecular weight, high density polyethylene sheets; plastic couplings for use with pipe and pipe fittings; synthetic rubber sheets and bars; plastic pipes | | | MINALOY WORKMAN DEVELOPMENTS, INC.
74339251 11 Dec 1992 | on 15 Nov 1993 | sheets and pre-formed castings of ultra-high molecular weight, high de... Class 017 sheets and pre-formed castings of ultra-high molecular weight, high density polyethylene for use in the coal mining industry | |