Granted Patent
Utility
US 6,799,440 · App. 09/683,853
Optical fiber deposition tube fused in deuterium atmosphere for attenuation improvement
Inventors:
Larry Qiang Zeng, Victor Lou, Frederic F. Ahlgren, Anil Raj Duggal
Patented Case
View Patent ↗
Granted: Oct 5, 2004
Filed: Feb 22, 2002
Inventors
Larry Qiang Zeng
Victor Lou
Frederic F. Ahlgren
Anil Raj Duggal
Assignee (at issue)
General Electric 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.