Granted Patent
Utility
US 6,118,909 · App. 09/022,338
Athermal optical devices
Inventors:
Jerry Chen, Corrado Dragone, Yuan Li
Patented Case
View Patent ↗
Granted: Sep 12, 2000
Filed: Feb 11, 1998
Inventors
Jerry Chen
Corrado Dragone
Yuan Li
Assignee (at issue)
LUCENT TECHNOLOGIES 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.