Granted Patent
Utility
US 6,692,353 · App. 10/029,143
Electronic amusement device offering secondary game of chance and method for operating same
Inventors:
Jay S. Walker, James A. Jorasch, Magdalena Mik, Stephen C. Tulley, Robert R. Lech
Patented Case
View Patent ↗
Granted: Feb 17, 2004
Filed: Dec 27, 2001
Inventors
Jay S. Walker
James A. Jorasch
Magdalena Mik
Stephen C. Tulley
Robert R. Lech
Assignee (at issue)
Walker Digital, LLC
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.