Granted Patent
Utility
US 6,137,939 · App. 08/941,976
Method and apparatus for reducing temperature-related spectrum shifts in optical devices
Inventors:
Charles H. Henry, Yuan Li
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Oct 1, 1997
Inventors
Charles H. Henry
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.