Granted Patent
Utility
US 5,283,687 · App. 07/929,193
Amplifier for optical fiber communication link
Inventors:
Hai-Pin Hsu, Ronald B. Chesler, Gregory L. Tangonan
Patented Case
View Patent ↗
Granted: Feb 1, 1994
Filed: Oct 1, 1992
Inventors
Hai-Pin Hsu
Ronald B. Chesler
Gregory L. Tangonan
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.