Granted Patent
Utility
US 4,353,453 · App. 06/138,996
Valid coin acceptor for coin actuated apparatus
Inventors:
Norman D. Partin, Charles Watson
Patented Case
View Patent ↗
Granted: Oct 12, 1982
Filed: Apr 10, 1980
Inventors
Norman D. Partin
Charles Watson
Assignee (at issue)
ATN Research & Development Corporation
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.