Granted Patent
Utility
US 6,374,064 · App. 09/669,198
Xerographic development system, method for determining when the developer material supply should be replenished
Inventors:
Roger W. Budnik, James M. Pacer, Scott L. Kauffman, Richard M. Maier
Patented Case
View Patent ↗
Granted: Apr 16, 2002
Filed: Sep 25, 2000
Inventors
Roger W. Budnik
James M. Pacer
Scott L. Kauffman
Richard M. Maier
Assignee (at issue)
Xerox Corporation
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.