Granted Patent
Utility
US 5,098,077 · App. 07/617,249
Recirculating document feeder with stack weight determined pressurized air/vacuum levels and method
Inventor:
Matthew J. Russel
Patented Case
View Patent ↗
Granted: Mar 24, 1992
Filed: Nov 23, 1990
Inventor
Matthew J. Russel
Assignee (at issue)
EASTMAN KODAK 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.