Patents by Inventor William D. Chambers

William D. Chambers 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).

  • Electric wall deterger
    Patent number: D262373
    Type: Grant
    Filed: December 3, 1979
    Date of Patent: December 22, 1981
    Assignee: Von Schrader Company
    Inventor: William D. Chambers