Granted Patent
Utility
US 4,473,029 · App. 06/510,109
Electrographic magnetic brush development method, apparatus and system
Inventors:
Garold F. Fritz, George P. Kasper, Arthur S. Kroll, Michael Mosehauer
Patented Case
View Patent ↗
Granted: Sep 25, 1984
Filed: Jul 1, 1983
Inventors
Garold F. Fritz
George P. Kasper
Arthur S. Kroll
Michael Mosehauer
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.