Granted Patent
Utility
US 4,591,141 · App. 06/474,878
Pivot point sheet feeder
Inventors:
Robert J. Wentzel, Walter E. Tallman
Patented Case
View Patent ↗
Granted: May 27, 1986
Filed: Mar 14, 1983
Inventors
Robert J. Wentzel
Walter E. Tallman
Assignee (at issue)
Burroughs, Inc.
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.