Granted Patent
Utility
US 5,485,906 · App. 08/070,422
Coin validators
Inventors:
Michael Edgar Newton, Michael D. Nunn
Patented Case
View Patent ↗
Granted: Jan 23, 1996
Filed: Jun 4, 1993
Inventors
Michael Edgar Newton
Michael D. Nunn
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.