Patents by Inventor Robert M. Fields

Robert M. Fields 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).

  • Work saver for an electric drill
    Patent number: 7052216
    Abstract: A T-bracket having a pair of spaced apart arms support a housing containing a sprocket wheel and a shaft to turn the sprocket. A handle attached to one end of the shaft turns the sprocket to tighten a chain turning on the sprocket teeth. A flexible wire rod is welded to the T-bracket and is juxtaposed around a rear end of a power drill. The chain is looped around a work piece and attached to a side of the drill opposite from the T-bracket. The handle is turned to tighten the chain and exert force on a drill bit being driven by the power drill.
    Type: Grant
    Filed: January 11, 2005
    Date of Patent: May 30, 2006
    Inventor: Robert M. Fields
  • Retainer clip removal tool
    Patent number: D517877
    Type: Grant
    Filed: July 1, 2004
    Date of Patent: March 28, 2006
    Inventors: Robert M. Fields, Wade E. Slade