Granted Patent
Utility
US 5,235,385 · App. 07/868,811
Method and apparatus for controlling toner image density
Inventor:
Allen J. Rushing
Patented Case
View Patent ↗
Granted: Aug 10, 1993
Filed: Apr 15, 1992
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.