Granted Patent
Utility
US 5,875,879 · App. 08/824,731
Coin operated machine having an electronically identified coin collection box
Inventor:
Nate D. Hawthorn
Patented Case
View Patent ↗
Granted: Mar 2, 1999
Filed: Mar 26, 1997
Inventor
Nate D. Hawthorn
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.