Granted Patent
Utility
US 5,286,980 · App. 07/969,111
Product discrimination system and method therefor
Inventor:
Gerald R. Richert
Patented Case
View Patent ↗
Granted: Feb 15, 1994
Filed: Oct 30, 1992
Inventor
Gerald R. Richert
Assignee (at issue)
OMS-Optical Measuring Systems
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.