Patents by Inventor Robert P. Baumstark

Robert P. Baumstark 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: D319287
    Type: Grant
    Filed: April 22, 1988
    Date of Patent: August 20, 1991
    Inventors: Robert P. Baumstark, Thomas M. Baumstark