Patents by Inventor Carl A. Biagi

Carl A. Biagi 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).

  • Magnetic ball lock for a pinball game
    Patent number: 5415403
    Abstract: The play feature of the invention comprises a ball well and electromagnetic coil. A ball sensor is located near the well entrance to signal when a ball is detected. The electromagnet, disposed at the well entrance, attracts the ball from the playfield into the well where it is retained. To eject the ball, the magnet is reenergized and the ball is ejected form the well onto the playfield.
    Type: Grant
    Filed: June 16, 1994
    Date of Patent: May 16, 1995
    Assignee: Williams Electronics Games, Inc.
    Inventors: Steve Ritchie, Carl A. Biagi
  • Trigger handle switch for pinball type games
    Patent number: D335150
    Type: Grant
    Filed: September 11, 1991
    Date of Patent: April 27, 1993
    Assignee: Williams Electronics Games, Inc.
    Inventors: Carl A. Biagi, Steven S. Ritchie