Patents by Inventor John R. Pippus

John R. Pippus 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).

  • Toy padlock
    Patent number: D262390
    Type: Grant
    Filed: January 29, 1979
    Date of Patent: December 22, 1981
    Inventor: John R. Pippus