Granted Patent
Utility
US 5,229,823 · App. 07/828,376
Toner agitator system
Inventors:
Satyan R. Kalyandurg, Robert J. Ronnenberg, John M. Fiske
Patented Case
View Patent ↗
Granted: Jul 20, 1993
Filed: Jan 30, 1992
Inventors
Satyan R. Kalyandurg
Robert J. Ronnenberg
John M. Fiske
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.