Granted Patent
Utility
US 5,493,441 · App. 08/181,263
Infrared continuous zoom telescope using diffractive optics
Inventor:
Robert B. Chipper
Patented Case
View Patent ↗
Granted: Feb 20, 1996
Filed: Jan 13, 1994
Inventor
Robert B. Chipper
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.