Patents by Inventor William E. Kauffman

William E. Kauffman 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: D263217
    Type: Grant
    Filed: December 10, 1979
    Date of Patent: March 2, 1982
    Assignee: Whitehall Corporation
    Inventor: William E. Kauffman
  • Patent number: D263218
    Type: Grant
    Filed: December 10, 1979
    Date of Patent: March 2, 1982
    Assignee: Whitehall Corporation
    Inventor: William E. Kauffman