Granted Patent
Utility
US 5,356,332 · App. 07/972,449
Coin mechanism
Inventors:
Trevor Thompson, Bernard Joseph Campbell
Patented Case
View Patent ↗
Granted: Oct 18, 1994
Filed: Jan 29, 1993
Inventors
Trevor Thompson
Bernard Joseph Campbell
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.