Patents by Inventor William D. Asper

William D. Asper 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).

  • Interfitting wooden and log walls
    Patent number: 6070376
    Abstract: Wooden log walls are constructed from full or siding logs stacked one above the other. The logs engage each other at connecting portions including an interior loose tongue and groove joint and downwardly curved cylindrical load supporting surfaces extending to the outer sides of the logs.
    Type: Grant
    Filed: September 3, 1998
    Date of Patent: June 6, 2000
    Inventor: William D. Asper