Granted Patent
Utility
US 4,509,735 · App. 06/401,577
Variable width envelope feeder
Inventor:
Jerry J. Kosner
Patented Case
View Patent ↗
Granted: Apr 9, 1985
Filed: Jul 26, 1982
Inventor
Jerry J. Kosner
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.