Granted Patent
Utility
US 6,100,601 · App. 09/372,013
Measurement of toner level employing sensor on paddle
Inventors:
Raymond Milton Baker, Ronald Paul Bussiere, John Hutchinson
Patented Case
View Patent ↗
Granted: Aug 8, 2000
Filed: Aug 11, 1999
Inventors
Raymond Milton Baker
Ronald Paul Bussiere
John Hutchinson
Assignee (at issue)
Lexmark International, Inc.
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.