About 3 Trademarks found that are owned by Alpen Hpp Inc.

Windows, not of metal; Non-metallic windows; Vinyl windows

Window casements not of metal; Window frames, not of metal; Window glass for building; Windows, not of metal; Casement windows, not of metal; Insulating glass for windows for building purposes; Non-metal windows; Non-metal windows and doors; Non-metal interior storm windows; Non-metal storm windows; Non-metallic windows

Insulated glass; Non-metallic windows