Granted Patent
Utility
US 4,869,394 · App. 07/146,172
Article counting device
Inventor:
Kerney J. Hurst
Patented Case
View Patent ↗
Granted: Sep 26, 1989
Filed: Jan 20, 1988
Inventor
Kerney J. Hurst
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.