Patents by Inventor Delbert Kotas

Delbert Kotas 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: D289810
    Type: Grant
    Filed: December 11, 1984
    Date of Patent: May 12, 1987
    Inventor: Delbert Kotas