Granted Patent
Utility
US 4,402,597 · App. 06/290,619
Filmstrip for preventing fogging of intermediate film in microfiche recording systems
Inventor:
Mark H. McCormick-Goodhart
Patented Case
View Patent ↗
Granted: Sep 6, 1983
Filed: Aug 6, 1981
Inventor
Mark H. McCormick-Goodhart
Assignee (at issue)
Energy Conversion Devices, Inc.
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.