Patents by Inventor Robert W. Clifton

Robert W. Clifton 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).

  • Foul ball basket for baseball backstops
    Patent number: 6729981
    Abstract: A safety device that allows a baseball spectator to return a foul ball without interrupting the game or risking injury to a player or an umpire, made up of a basket that attaches to the spectators' side of a backstop. The basket has an opening through which a spectator can insert a retrieved foul ball and has a flapped opening through which an umpire can collect the ball as needed.
    Type: Grant
    Filed: October 16, 2002
    Date of Patent: May 4, 2004
    Inventor: Robert W. Clifton
  • FOUL BALL BASKET FOR BASEBALL BACKSTOPS
    Publication number: 20040077437
    Abstract: A safety device that allows a baseball spectator to return a foul ball without interrupting the game or risking injury to a player or an umpire, made up of a basket that attaches to the spectators' side of a backstop. The basket has an opening through which a spectator can insert a retrieved foul ball and has a flapped opening through which an umpire can collect the ball as needed.
    Type: Application
    Filed: October 16, 2002
    Publication date: April 22, 2004
    Inventor: Robert W. Clifton
  • Lawn trimmer attachment for a riding lawn mower
    Patent number: D334200
    Type: Grant
    Filed: August 8, 1990
    Date of Patent: March 23, 1993
    Inventor: Robert W. Clifton