Granted Patent
Utility
US 6,486,999 · App. 09/525,512
Using crystalline materials to control the thermo-optic behavior of an optical path
Inventors:
David Alan Ackerman, Richard B. Bylsma, Robert L. Hartman, Glen Robert Kowach, Malcolm E. Lines, Lynn F. Schneemeyer, Thomas L. Koch
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Mar 15, 2000
Inventors
David Alan Ackerman
Richard B. Bylsma
Robert L. Hartman
Glen Robert Kowach
Malcolm E. Lines
Lynn F. Schneemeyer
Thomas L. Koch
Assignee (at issue)
Agere Systems 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.