Granted Patent
Utility
US 5,530,710 · App. 08/441,097
High-power pumping of three-level optical fiber laser amplifier
Inventor:
Stephen G. Grubb
Patented Case
View Patent ↗
Granted: Jun 25, 1996
Filed: May 15, 1995
Inventor
Stephen G. Grubb
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.