Granted Patent
Utility
US 5,722,526 · App. 08/557,352
Dispensing security system for a vending machine
Inventor:
Robert C. Sharrard
Patented Case
View Patent ↗
Granted: Mar 3, 1998
Filed: Nov 13, 1995
Inventor
Robert C. Sharrard
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.