Patents by Inventor Louis J. Grassa

Louis J. Grassa 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).

  • Multiple position play twenty one game
    Patent number: 5494296
    Abstract: A multiple position play Twenty One or Blackjack card game is provided wherein a player can play not only his own hand against the dealer but by an extra play also those hands of other players at the table. Any player making an extra play is betting on the outcome of the cards of another player position, over which he has no control.
    Type: Grant
    Filed: February 6, 1995
    Date of Patent: February 27, 1996
    Inventor: Louis J. Grassa
  • Multiple position play twenty one game
    Patent number: 5390934
    Abstract: A multiple position play Twenty One or Blackjack card game is provided wherein a player can play not only his own hand against the dealer but by an extra play also those hands of other players at the table. Any player making an extra play is betting on the outcome of the cards of another player position, over which he has no control.
    Type: Grant
    Filed: April 12, 1993
    Date of Patent: February 21, 1995
    Inventor: Louis J. Grassa