Patents by Inventor Keith E. Derkatz

Keith E. Derkatz 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).

  • Abutment for a knife blade
    Patent number: D397282
    Type: Grant
    Filed: July 22, 1994
    Date of Patent: August 25, 1998
    Inventor: Keith E. Derkatz