Granted Patent
Utility
US 6,115,520 · App. 09/035,317
Compact mach-zehnder interferometer and wavelength reference employing same
Inventors:
Edward J. Laskowski, Dirk Joachim Muehlner
Patented Case
View Patent ↗
Granted: Sep 5, 2000
Filed: Mar 5, 1998
Inventors
Edward J. Laskowski
Dirk Joachim Muehlner
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.