Membership
Tour
Register
Log in
John W. Skalon
Follow
Person
Chicago, IL, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Retractable ball cage for a rolling ball game
Patent number
6,059,288
Issue date
May 9, 2000
Williams Electronics Games, Inc.
John A. Popadiuk
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Display for a pinball game
Patent number
6,000,697
Issue date
Dec 14, 1999
Williams Electronics Games, Inc.
John A Popadiuk
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Illuminable ramp assembly for a pinball game
Patent number
5,944,309
Issue date
Aug 31, 1999
Williams Electronics Games, Inc.
John A Popadiuk
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Display panel for a pinball machine
Patent number
5,720,480
Issue date
Feb 24, 1998
Williams Electronics Games, Inc.
Patrick Lawlor
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Rotating magnetic box play feature for a pinball game
Patent number
5,580,052
Issue date
Dec 3, 1996
Williams Electronics Games, Inc.
John A. Popadiuk
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Ball momentum transfer play feature for a pinball game
Patent number
5,511,783
Issue date
Apr 30, 1996
Williams Electronics Games, Inc.
John A. Popadiuk
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Tilting play feature for a pinball game
Patent number
5,405,144
Issue date
Apr 11, 1995
Williams Electronics Games, Inc.
Mark D. Ritchie
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Rotary ball receptacle for a pinball game
Patent number
5,322,283
Issue date
Jun 21, 1994
Williams Electronics Games, Inc.
Mark D. Ritchie
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Pinball game cabinet
Patent number
5,193,807
Issue date
Mar 16, 1993
Williams Electronics Games, Inc.
Winston H. Schilling
A63 - SPORTS GAMES AMUSEMENTS