About 3 Trademarks found that are owned by Castel Engineering

The colors blue, green, orange, red and black are claimed as a feature of the mark.

Building and construction materials and elements, not of metal; rigid pipes, not of metal, for building

Flexible pipes, tubes, hoses and fittings therefor (including valves), and fittings for rigid pipes, all non-metallic

Building and construction materials and elements, not of metal; rigid pipes, not of metal, for building

Building and construction materials and elements, not of metal; rigid pipes, not of metal, for building