Patents by Inventor Tom R. Friga

Tom R. Friga 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).

  • Sport hitch ball
    Patent number: D507213
    Type: Grant
    Filed: August 20, 2003
    Date of Patent: July 12, 2005
    Inventor: Tom R. Friga
  • Hitch ball apparatus
    Patent number: D561652
    Type: Grant
    Filed: April 23, 2007
    Date of Patent: February 12, 2008
    Inventor: Tom R. Friga