Patents by Inventor Laurence E. Dortch

Laurence E. Dortch 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).

  • Trailer swivel hitch guide
    Patent number: 4417748
    Abstract: A trailer swivel hitch guide for attachment on a bumper of a vehicle and received around a trailer hitch ball secured to the bumper. The guide used for guiding the tongue of a trailer so the tongue is centered over the top of the ball when securing the trailer to the vehicle. The guide can then be released so it swivels on the bumper when the trailer is pulled behind the vehicle.
    Type: Grant
    Filed: February 4, 1982
    Date of Patent: November 29, 1983
    Inventor: Laurence E. Dortch
  • Tool box drawer for pickup truck
    Patent number: D310504
    Type: Grant
    Filed: November 2, 1988
    Date of Patent: September 11, 1990
    Inventor: Laurence E. Dortch