Patents by Inventor David B. Beffa-Negrini

David B. Beffa-Negrini 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).

  • Board game
    Patent number: 6164650
    Abstract: An add-on board game is disclosed which permits transitions between new and existing boards based on random factors. The game includes a variety of new features including travel cards, random penalties and bonuses, and different mechanisms for traveling around the board. The add-on board game may be adapted for use with the MONOPOLY board game.
    Type: Grant
    Filed: August 31, 1995
    Date of Patent: December 26, 2000
    Assignee: McLellan & McMahon, Inc.
    Inventors: Robert F. Wilkins, David B. Beffa-Negrini, David M. Hall
  • Board game
    Patent number: 5810359
    Abstract: An add-on board game is disclosed which permits transitions between new and existing boards based on random factors. The game includes a variety of new features including travel cards, random penalties and bonuses, and different mechanisms for traveling around the board. The add-on board game may be adapted for use with the MONOPOLY board game.
    Type: Grant
    Filed: April 22, 1997
    Date of Patent: September 22, 1998
    Assignee: McLellan & McMahon, Inc.
    Inventors: Robert F. Wilkins, David B. Beffa-Negrini, David M. Hall