Patents by Inventor Clifford Schoenthaler

Clifford Schoenthaler 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: D323296
    Type: Grant
    Filed: April 21, 1989
    Date of Patent: January 21, 1992
    Inventor: Clifford Schoenthaler