Granted Patent
Utility
US 4,351,518 · App. 06/216,842
Suction-operated device for feeding sheets one by one to a point of utilization
Inventor:
Emile F. Stievenart
Patented Case
View Patent ↗
Granted: Sep 28, 1982
Filed: Dec 16, 1980
Inventor
Emile F. Stievenart
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.