Granted Patent
Utility
US 5,451,052 · App. 08/302,114
Scratch-off game and game piece therefor
Inventors:
William F. Behm, Terry D. Mangold, Howard D. Roath, Stephen Crocker
Patented Case
View Patent ↗
Granted: Sep 19, 1995
Filed: Sep 7, 1994
Inventors
William F. Behm
Terry D. Mangold
Howard D. Roath
Stephen Crocker
Assignee (at issue)
Scientific Games, 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.