IP Library › Granted Patent US 5,349,467
Granted Patent Utility
US 5,349,467 · App. 07/966,920

Thorium-free coating for germanium IR window

Inventors: Frank C. Sulzbach, Valeria J. Epling
Patented Case View Patent ↗
Granted: Sep 20, 1994 Filed: Oct 27, 1992
Inventors
Frank C. Sulzbach
Valeria J. Epling
Assignee (at issue)
Texas Instruments Incorporated

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 5,349,467
App. No.
07/966,920
Filed
1992-10-27
Granted
1994-09-20
Kind
A