Granted Patent
Utility
US 4,282,575 · App. 06/065,611
Control system for vending machine
Inventors:
William R. Hoskinson, William V. Machanian
Patented Case
View Patent ↗
Granted: Aug 4, 1981
Filed: Aug 10, 1979
Inventors
William R. Hoskinson
William V. Machanian
Assignee (at issue)
The Wurlitzer Company
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.