Granted Patent
Utility
US 5,250,987 · App. 07/917,655
Toner monitor to control development concentration and locate developer stations with respect to a stationary photo-conductor in an electrophotographic apparatus
Inventor:
Steven M. Gern
Patented Case
View Patent ↗
Granted: Oct 5, 1993
Filed: Jul 23, 1992
Inventor
Steven M. Gern
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.