Granted Patent
Utility
US 5,457,568 · App. 08/345,172
980 NM pumped erbium fiber amplifier
Inventors:
Gloria R. Jacobovitz-Veselka, Kenneth L. Walker
Patented Case
View Patent ↗
Granted: Oct 10, 1995
Filed: Nov 28, 1994
Inventors
Gloria R. Jacobovitz-Veselka
Kenneth L. Walker
Assignee (at issue)
AT&T CORP.
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.