Patents by Inventor Villy E. Djerf

Villy E. Djerf has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Ceiling and wall tile
    Patent number: 4692372
    Abstract: A tile is disclosed for application to ceilings, walls, and the like, the tile having a thermoplastic or thermoset plastic film layer with a reflective backing applied thereto. The film layer is bonded to a pressed fiberboard, the finished tile exhibiting high temperature and dimensional stability, high impact resistance, and flame resistance far superior to conventional acrylic tiles. The mirrored tile is well suited for application in homes or in public buildings and areas where building codes prohibit use of mirrored glass tiles or acrylic tiles.
    Type: Grant
    Filed: June 25, 1986
    Date of Patent: September 8, 1987
    Assignee: Bunker Plastics, Inc.
    Inventors: William S. Parkinson, Villy E. Djerf