Granted Patent
Utility
US 4,346,449 · App. 06/091,454
Data storage and retrieval system
Inventors:
Stanford R. Ovshinsky, Peter Klose, Wayne P. Messing
Patented Case
View Patent ↗
Granted: Aug 24, 1982
Filed: Nov 5, 1979
Inventors
Stanford R. Ovshinsky
Peter Klose
Wayne P. Messing
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.