Granted Patent
Utility
US 4,716,437 · App. 06/932,415
Development station having apertured thin film for controlling the flow of developer material
Inventor:
Bruce D. MacLellan
Patented Case
View Patent ↗
Granted: Dec 29, 1987
Filed: Nov 19, 1986
Inventor
Bruce D. MacLellan
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.