Granted Patent
Utility
US 6,547,663 · App. 09/044,959
Gaming machine with player controlled payout rate
Inventors:
Roger A. Delott, Alfred Thomas
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Mar 20, 1998
Inventors
Roger A. Delott
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.