Granted Patent
Utility
US 5,729,787 · App. 08/685,261
Toner concentration monitor and method
Inventor:
William A. Resch, III
Patented Case
View Patent ↗
Granted: Mar 17, 1998
Filed: Jul 23, 1996
Inventor
William A. Resch, III
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.