Patents by Inventor Stephen L. Holbrook

Stephen L. Holbrook 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).

  • Tennis scoring apparatus
    Patent number: 8763552
    Abstract: An improved tennis scoring system using dual purpose flipping cards showing either game counts or alternatively tie break scores, which include a mounting bracket placeholder to maintain accurate positioning as the cards are flipped, an indicator showing when the dual purpose cards reflect tie breaker scoring, and coding indicating the players or doubles teams associated with the scores displayed by the flipping cards.
    Type: Grant
    Filed: January 28, 2012
    Date of Patent: July 1, 2014
    Inventor: Stephen L. Holbrook
  • Tennis scoring apparatus
    Publication number: 20130192515
    Abstract: An improved tennis scoring system using dual purpose flipping cards showing either game counts or alternatively tie break scores, which include a mounting bracket placeholder to maintain accurate positioning as the cards are flipped, an indicator showing when the dual purpose cards reflect tie breaker scoring, and coding indicating the players or doubles teams associated with the scores displayed by the flipping cards.
    Type: Application
    Filed: January 28, 2012
    Publication date: August 1, 2013
    Inventor: Stephen L. Holbrook