Granted Patent
Utility
US 5,145,161 · App. 07/518,440
Sheet feeder
Inventors:
David Bowser, Gerald D. Warden
Patented Case
View Patent ↗
Granted: Sep 8, 1992
Filed: May 3, 1990
Inventors
David Bowser
Gerald D. Warden
Assignee (at issue)
Bell & Howell Phillipsburg Company
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.