Granted Patent
Utility
US 4,634,286 · App. 06/773,282
Electrographic development apparatus having a continuous coil ribbon blender
Inventor:
Susan C. Pike
Patented Case
View Patent ↗
Granted: Jan 6, 1987
Filed: Sep 6, 1985
Inventor
Susan C. Pike
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.