Patents by Inventor John S. Quiroga

John S. Quiroga 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).

  • Gaming table
    Patent number: D263975
    Type: Grant
    Filed: December 26, 1979
    Date of Patent: April 20, 1982
    Assignee: World Championship of Blackjack, Inc.
    Inventors: John S. Quiroga, Edward Fishman, David Fishman, Duke Rohlffs