Patents by Inventor Robert M. Hermen

Robert M. Hermen 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: D308555
    Type: Grant
    Filed: June 19, 1986
    Date of Patent: June 12, 1990
    Inventor: Robert M. Hermen