Granted Patent
Utility
US 5,521,752 · App. 08/217,359
Fiber-optic amplifier with a device for monitoring the input power
Inventors:
Rolf Heidemann, Bernhard Junginger
Patented Case
View Patent ↗
Granted: May 28, 1996
Filed: Mar 24, 1994
Inventors
Rolf Heidemann
Bernhard Junginger
Assignee (at issue)
Alcatel N.V.
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.