IP Library Granted Patent US 4,642,413
Granted Patent Utility
US 4,642,413 · App. 06/786,579

Power generating optical filter

Inventor: Stanford R. Ovshinsky
Patented Case View Patent ↗
Granted: Feb 10, 1987 Filed: Oct 11, 1985
Inventor
Stanford R. 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.

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 4,642,413
App. No.
06/786,579
Filed
1985-10-11
Granted
1987-02-10
Kind
A