Granted Patent
Utility
US 5,160,146 · App. 07/788,039
Multiple bingo game apparatus
Inventor:
Thomas W. Greer
Patented Case
View Patent ↗
Granted: Nov 3, 1992
Filed: Nov 5, 1991
Inventor
Thomas W. Greer
Assignee (at issue)
The Reliable Corporation of America
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.