Granted Patent
Utility
US 6,118,953 · App. 09/156,821
Electrostatographic apparatus and method with programmable toner concentration decline with the developer life
Inventors:
David E. Hockey, Dennis E. DeMeyer, Kevin D. Lofftus, Paul L. Nielsen
Patented Case
View Patent ↗
Granted: Sep 12, 2000
Filed: Sep 18, 1998
Inventors
David E. Hockey
Dennis E. DeMeyer
Kevin D. Lofftus
Paul L. Nielsen
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.