Patents Assigned to Alvin G. & Co.
  • Impact conveying flipper button
    Patent number: 5330183
    Abstract: A pinball machine which includes a ball engaging mechanism is provided such that when a pinball makes contact with a ball engaging mechanism, which propels the pinball, a player feels an impulse from the button that activates the ball engaging mechanism.
    Type: Grant
    Filed: March 3, 1992
    Date of Patent: July 19, 1994
    Assignee: Alvin G. & Co.
    Inventor: Alvin J. Gottlieb
  • Impact conveying flipper button
    Patent number: 5324034
    Abstract: A pinball machine which includes a ball engaging mechanism is provided such that when a pinball makes contact with a ball engaging mechanism, which propels the pinball, a player feels an impulse from the button that activates the ball engaging mechanism.
    Type: Grant
    Filed: September 28, 1992
    Date of Patent: June 28, 1994
    Assignee: Alvin G. & Co.
    Inventor: Alvin J. Gottlieb
  • Scoring mechanism for a pinball machine
    Patent number: 5238248
    Abstract: A pinball machine which includes a scoring mechanism is provided such that the player corresponding to the game element that last struck the ball is credited with all subsequent points. Such scoring mechanism can be repeatedly biased to allocate points to different players throughout the play of the game. Scoring elements that bias the scoring mechanism in favor of one of the players may include active elements, which also propel the ball, or passive scoring elements.
    Type: Grant
    Filed: August 5, 1992
    Date of Patent: August 24, 1993
    Assignee: Alvin G. & Co.
    Inventor: Alvin J. Gottlieb