Granted Patent
Utility
US 5,041,735 · App. 07/475,574
Miniature infrared test target
Inventors:
David B. Chang, Slava A. Pollack, Kenn S. Bates, I-Fu Shih
Patented Case
View Patent ↗
Granted: Aug 20, 1991
Filed: Feb 6, 1990
Inventors
David B. Chang
Slava A. Pollack
Kenn S. Bates
I-Fu Shih
Assignee (at issue)
Hughes Aircraft Company
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.