Patents by Inventor Tom Metcalf

Tom Metcalf 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).

  • Ditch shovel
    Patent number: 5669649
    Abstract: A ditch shovel is disclosed with a total weight between 9 and 15 pounds. The weight of the shovel allows the user to develop significant downward momentum to penetrate more deeply into the ground and dislodge more compacted earth.
    Type: Grant
    Filed: May 13, 1996
    Date of Patent: September 23, 1997
    Inventor: Tom Metcalf