Granted Patent
Utility
US 5,475,205 · App. 08/263,883
Document verification system
Inventors:
William F. Behm, Bert Levy, Kenneth E. Irwin, Jr.
Patented Case
View Patent ↗
Granted: Dec 12, 1995
Filed: Jun 22, 1994
Inventors
William F. Behm
Bert Levy
Kenneth E. Irwin, Jr.
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.