Granted Patent
Utility
US 6,477,309 · App. 09/802,905
Temperature-compensating arrangements and methods for optical fiber
Inventor:
Vincent So
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Mar 12, 2001
Inventor
Vincent So
Assignee (at issue)
BTI Photonics 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.