Granted Patent
Utility
US 6,149,521 · App. 09/139,953
Video poker game with multiplier card
Inventor:
Thomas J. Sanduski
Patented Case
View Patent ↗
Granted: Nov 21, 2000
Filed: Aug 25, 1998
Inventor
Thomas J. Sanduski
Assignee (at issue)
Sigma Game, 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.