Granted Patent
Utility
US 6,159,097 · App. 09/343,798
Gaming machine with variable probability of obtaining bonus game payouts
Inventor:
Damon E. Gura
Patented Case
View Patent ↗
Granted: Dec 12, 2000
Filed: Jun 30, 1999
Inventor
Damon E. Gura
Assignee (at issue)
WMS GAMING, 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.