Granted Patent
Utility
US 4,877,346 · App. 07/151,200
Sheet feed hopper for insertion machine
Inventors:
Kenneth L. Guenther, Karavattuveetil G. Rabindran, Thomas Faber, Jack Abrams
Patented Case
View Patent ↗
Granted: Oct 31, 1989
Filed: Feb 1, 1988
Inventors
Kenneth L. Guenther
Karavattuveetil G. Rabindran
Thomas Faber
Jack Abrams
Assignee (at issue)
Bell and Howell, LLC
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.