Granted Patent
Utility
US 6,190,255 · App. 09/127,377
Bonus game for a gaming machine
Inventors:
Alfred Thomas, Benjamin T. Gomez, Robert J. Wilson, Jr., Roger A. Delott
Patented Case
View Patent ↗
Granted: Feb 20, 2001
Filed: Jul 31, 1998
Inventors
Alfred Thomas
Benjamin T. Gomez
Robert J. Wilson, Jr.
Roger A. Delott
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.