Granted Patent
Utility
US 5,186,336 · App. 07/643,853
Product sorting apparatus
Inventors:
James M. Pippin, Kenneth C. Flagg, Jr., Gary S. Robertson
Patented Case
View Patent ↗
Granted: Feb 16, 1993
Filed: Jan 22, 1991
Inventors
James M. Pippin
Kenneth C. Flagg, Jr.
Gary S. Robertson
Assignee (at issue)
ElectroCom Automation
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.