Granted Patent
Utility
US 6,312,334 · App. 09/157,651
Method of playing a multi-stage video wagering game
Inventor:
Mark L. Yoseloff
Patented Case
View Patent ↗
Granted: Nov 6, 2001
Filed: Sep 21, 1998
Inventor
Mark L. Yoseloff
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.