Patents by Inventor Clifford J. Gillis

Clifford J. Gillis 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).

  • Aural representation of events
    Patent number: 4268255
    Abstract: An arrangement of audible sounds which is useful in instructing persons having poor vision, said sounds being representative of one or more events of a sequence of events which are generally perceived visually and are particularly useful when correlated to a sequence of moves encountered in the game of chess.
    Type: Grant
    Filed: September 17, 1979
    Date of Patent: May 19, 1981
    Inventors: Clifford J. Gillis, Alfred B. Ramage
  • Educational and display apparatus
    Patent number: 3955289
    Abstract: Educational and display apparatus which comprises indicia representative of multiple entities and means associated with said indicia which depicts the events which each of the entities experiences, the sequence in which said events are experienced, and the interactions between said entities.
    Type: Grant
    Filed: January 3, 1975
    Date of Patent: May 11, 1976
    Assignee: Alfred B. Ramage
    Inventor: Clifford J. Gillis