Granted Patent
Utility
US 5,536,082 · App. 08/503,651
Game playfield mounting system
Inventors:
Steve Ritchie, Peter J. Piotrowski, Carl Biagi
Patented Case
View Patent ↗
Granted: Jul 16, 1996
Filed: Jul 18, 1995
Inventors
Steve Ritchie
Peter J. Piotrowski
Carl Biagi
Assignee (at issue)
Williams Electronics Games, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.