Granted Patent
Utility
US 5,907,141 · App. 08/684,405
Use of security coupons in connection with locking mechanisms for vending and gaming machines
Inventors:
David C. Deaville, Patrick J. McGarry, Robert D. Ross
Patented Case
View Patent ↗
Granted: May 25, 1999
Filed: Jul 19, 1996
Inventors
David C. Deaville
Patrick J. McGarry
Robert D. Ross
Assignee (at issue)
Mars, Incorporated
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.