Granted Patent
Utility
US 6,792,334 · App. 09/836,805
Vending machine for vending age-restricted products using an authorization card and associated methods
Inventors:
Jonathan Metcalf, Merlyn Barth
Patented Case
View Patent ↗
Granted: Sep 14, 2004
Filed: Apr 17, 2001
Inventors
Jonathan Metcalf
Merlyn Barth
Assignee (at issue)
Chesterfield Holdings, L.L.C.
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.