Granted Patent
Utility
US 6,687,049 · App. 09/929,141
Optical amplifiers with stable output power under low input power conditions
Inventors:
James W. Sulhoff, Yongan Wu, Chia-Chi Wang
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Aug 15, 2001
Inventors
James W. Sulhoff
Yongan Wu
Chia-Chi Wang
Assignee (at issue)
Onetta, Inc.
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.