Granted Patent
Utility
US 4,453,822 · App. 06/098,388
Apparatus for producing microform records from multiple data sources
Inventor:
Gary D. Lewis
Patented Case
View Patent ↗
Granted: Jun 12, 1984
Filed: Nov 29, 1979
Inventor
Gary D. Lewis
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.