Granted Patent
Utility
US 4,607,944 · App. 06/742,357
Apparatus for controlling toner replenishment in electrographic copier
Inventor:
Allen J. Rushing
Patented Case
View Patent ↗
Granted: Aug 26, 1986
Filed: Jun 7, 1985
Inventor
Allen J. Rushing
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.