Patents by Inventor Willis J. Gottschalk

Willis J. Gottschalk 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: D256056
    Type: Grant
    Filed: February 22, 1978
    Date of Patent: July 22, 1980
    Inventor: Willis J. Gottschalk