Granted Patent
Utility
US 6,004,207 · App. 08/998,139
Slot machine with incremental pay-off multiplier
Inventors:
Robert J. Wilson, Jr., Benjamin T. Gomez, Alfred Thomas
Patented Case
View Patent ↗
Granted: Dec 21, 1999
Filed: Dec 23, 1997
Inventors
Robert J. Wilson, Jr.
Benjamin T. Gomez
Alfred Thomas
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.