Patents by Inventor Charles A. Messamer

Charles A. Messamer 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: D280712
    Type: Grant
    Filed: February 7, 1983
    Date of Patent: September 24, 1985
    Assignee: Acurex Corporation
    Inventors: Robert S. Cohn, Charles A. Messamer