Patents by Inventor Bertram F. Carpenter

Bertram F. Carpenter 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).

  • Patent number: D276813
    Type: Grant
    Filed: January 15, 1982
    Date of Patent: December 18, 1984
    Inventor: Bertram F. Carpenter