Patents by Inventor Timothy E. Grohowski

Timothy E. Grohowski 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).

  • Grinding fixture
    Patent number: D271772
    Type: Grant
    Filed: March 20, 1981
    Date of Patent: December 13, 1983
    Inventors: Timothy E. Grohowski, Randall W. Wheeler