Granted Patent
Utility
US 4,355,890 · App. 06/227,959
Microfiche recording system
Inventors:
Peter Klose, Herbert C. Ovshinsky
Patented Case
View Patent ↗
Granted: Oct 26, 1982
Filed: Jan 23, 1981
Inventors
Peter Klose
Herbert C. Ovshinsky
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.