Granted Patent
Utility
US 6,539,282 · App. 09/851,198
Vending machine for vending age-restricted products using a credit card and associated methods
Inventors:
Jonathan Metcalf, Robert J. O'Leary, Merlyn Barth
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: May 8, 2001
Inventors
Jonathan Metcalf
Robert J. O'Leary
Merlyn Barth
Assignee (at issue)
The Detsky Group, L.P.
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.