Patents by Inventor Spencer Zan

Spencer Zan 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).

  • Contoured snow shovel construction
    Patent number: 5975602
    Abstract: A snow shovel construction 10 including a curved and tapered blade member 20 having an enlarged end 21 and a smaller end 22. The blade member 20 is disposed at an angle of approximately 60.degree. relative to a handle member 30 that is provided with a pair of offset hand grip elements 33, 34 and further provided with a reinforcement unit 13 disposed both on the blade member 20 and between the blade member 20 and the handle member 30.
    Type: Grant
    Filed: March 11, 1998
    Date of Patent: November 2, 1999
    Inventor: Spencer Zan