Granted Patent
Utility
US 6,648,753 · App. 09/106,659
Method of playing a group participation game
Inventors:
Joseph J. Tracy, Mark G. Meyer
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: Jun 29, 1998
Inventors
Joseph J. Tracy
Mark G. Meyer
Assignee (at issue)
IGT
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.