Patents by Inventor James T. Hannah

James T. Hannah 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).

  • Electronic control device for decisions and scoring
    Patent number: 4479181
    Abstract: An electronic device for decisions and scoring using a master and two slave controls to give a summation of at least two decisions characterized by digital logic to indicate to the referee the majority decision and when play should be stopped, initiating an audible signal.
    Type: Grant
    Filed: September 3, 1981
    Date of Patent: October 23, 1984
    Inventor: James T. Hannah
  • Electronic control device for decisions and scoring
    Patent number: 4223383
    Abstract: An electronic control device for decisions and scoring comprising at least three control boxes having scoring designations and coupled to an indicator panel through circuitry which displays the score of at least any two of the control boxes, used for squash and similar games.
    Type: Grant
    Filed: October 10, 1978
    Date of Patent: September 16, 1980
    Inventor: James T. Hannah
  • Concrete tanks with interlocking bottom
    Patent number: 4117071
    Abstract: The method of forming hollow concrete articles such as tanks which are cast in a mould around reinforcing metal, the mould being shaped to form a bottom and including an upstanding integral ridge which forms a mould for the inner lower portions of a wall subsequently formed on such bottom after the bottom is cast, characterized by an interlocking ridge at the join and by the absence of reinforcing metal at such join.
    Type: Grant
    Filed: May 11, 1976
    Date of Patent: September 26, 1978
    Inventor: James T. Hannah
  • Scoring device for games
    Patent number: D274315
    Type: Grant
    Filed: April 24, 1981
    Date of Patent: June 19, 1984
    Inventor: James T. Hannah