Granted Patent
Utility
US 4,522,385 · App. 06/421,655
Sheet feeder systems
Inventor:
Rafn Stefansson
Patented Case
View Patent ↗
Granted: Jun 11, 1985
Filed: Sep 22, 1982
Inventor
Rafn Stefansson
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.