IP Library › Granted Patent US 4,891,074
Granted Patent Utility
US 4,891,074 · App. 06/710,947

Multiple cell photoresponsive amorphous alloys and devices

Inventors: Stanford R. Ovshinsky, David Adler
Patented Case View Patent ↗
Granted: Jan 2, 1990 Filed: Mar 13, 1985
Inventors
Stanford R. Ovshinsky
David Adler
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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 4,891,074
App. No.
06/710,947
Filed
1985-03-13
Granted
1990-01-02
Kind
A