Granted Patent
Utility
US 6,078,418 · App. 08/909,978
Wavelength locking of variable dispersive elements
Inventors:
Per Bang Hansen, Torben N. Nielsen
Patented Case
View Patent ↗
Granted: Jun 20, 2000
Filed: Aug 12, 1997
Inventors
Per Bang Hansen
Torben N. Nielsen
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.