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James A. Patla
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Rolling Meadows, IL, US
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last 30 patents
Information
Patent Grant
Method of modifying electronics contained in a controller box of a...
Patent number
6,164,644
Issue date
Dec 26, 2000
Williams Electronics Games, Inc.
Bradley D. Cornell
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Playfield assembly for a pinball-machine
Patent number
6,158,737
Issue date
Dec 12, 2000
Williams Electronics Games, Inc.
Bradley D. Cornell
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Mounting mechanism for a playfield of a pinball machine
Patent number
6,135,449
Issue date
Oct 24, 2000
Williams Electronics Games, Inc.
Bradley D. Cornell
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Lock-down bar release system for a pinball machine
Patent number
6,120,021
Issue date
Sep 19, 2000
Williams Electronics Games, Inc.
Peter J. Piotrowski
G07 - CHECKING-DEVICES
Information
Patent Grant
Height adjustable pinball game cabinet
Patent number
5,465,963
Issue date
Nov 14, 1995
Williams Electronics Games, Inc.
James A. Patla
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Combination tilt switch and playfield incline indicator
Patent number
5,338,031
Issue date
Aug 16, 1994
Williams Electronics Games, Inc.
James A. Patla
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Variable position flipper mechanism for pinball games
Patent number
4,971,324
Issue date
Nov 20, 1990
Midway Manufacturing Company
Irwin J. Grabel
A63 - SPORTS GAMES AMUSEMENTS