Granted Patent
Utility
US 5,207,307 · App. 07/778,978
Coin testing apparatus
Inventor:
Timothy Waite
Patented Case
View Patent ↗
Granted: May 4, 1993
Filed: Jan 6, 1992
Inventor
Timothy Waite
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.