Granted Patent
Utility
US 5,915,520 · App. 08/882,682
Counterfeit coin separator
Inventor:
Robert Ray Goodrich
Patented Case
View Patent ↗
Granted: Jun 29, 1999
Filed: Jun 25, 1997
Inventor
Robert Ray Goodrich
Assignee (at issue)
LUCENT TECHNOLOGIES INC.
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.