Patents by Inventor John W. Devaull

John W. Devaull 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).

  • Bonus accumulator for a wagering game
    Patent number: 7654897
    Abstract: A gaming machine for conducting a wagering game comprises a processor and a value input device for receiving a wager from a player to play the game. The processor is operative to accumulate bonus points based on predetermined criteria, and allow the player to redeem a number of the bonus points for an award at a time selected by the player.
    Type: Grant
    Filed: November 10, 2003
    Date of Patent: February 2, 2010
    Assignee: WMS Gaming Inc.
    Inventors: John W. Devaull, Alfred Thomas
  • Bonus accumulator for chance game
    Publication number: 20040214631
    Abstract: A game of chance comprises a game play engine with a bonus accumulator. In response to a wager, the game play engine is executed to randomly select an outcome from a plurality of possible outcomes. The bonus accumulator accumulates bonus elements based on predetermined criteria. The bonus elements are redeemable by a player for an award during any game play cycle defined as starting with the wager and ending with a succeeding wager triggering the game play engine.
    Type: Application
    Filed: May 25, 2004
    Publication date: October 28, 2004
    Inventor: John W. Devaull
  • Bonus accumulator for a wagering game
    Publication number: 20040110555
    Abstract: A gaming machine for conducting a wagering game comprises a processor and a value input device for receiving a wager from a player to play the game. The processor is operative to accumulate bonus points based on predetermined criteria, and allow the player to redeem a number of the bonus points for an award at a time selected by the player.
    Type: Application
    Filed: November 10, 2003
    Publication date: June 10, 2004
    Inventors: John W. Devaull, Alfred Thomas
  • Bonus accumulator for chance game
    Patent number: 6739971
    Abstract: A game of chance comprises a game play engine with a bonus accumulator. In response to a wager, the game play engine is executed to randomly select an outcome from a plurality of possible outcomes. The bonus accumulator accumulates bonus elements based on predetermined criteria. The bonus elements are redeemable by a player for an award during any game play cycle defined as starting with the wager and ending with a succeeding wager triggering the game play engine.
    Type: Grant
    Filed: April 11, 2001
    Date of Patent: May 25, 2004
    Assignee: WMS Gaming Inc.
    Inventor: John W. Devaull
  • Bonus accumulator for chance game
    Publication number: 20020151346
    Abstract: A game of chance comprises a game play engine with a bonus accumulator. In response to a wager, the game play engine is executed to randomly select an outcome from a plurality of possible outcomes. The bonus accumulator accumulates bonus elements based on predetermined criteria. The bonus elements are redeemable by a player for an award during any game play cycle defined as starting with the wager and ending with a succeeding wager triggering the game play engine.
    Type: Application
    Filed: April 11, 2001
    Publication date: October 17, 2002
    Inventor: John W. Devaull