Granted Patent
Utility
US 4,749,277 · App. 07/004,504
Methods of and apparatus for measuring the frequency response of optical detectors
Inventors:
Elliot G. Eichen, Andrew Silletti
Patented Case
View Patent ↗
Granted: Jun 7, 1988
Filed: Jan 20, 1987
Inventors
Elliot G. Eichen
Andrew Silletti
Assignee (at issue)
GTE Laboratories 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.