Granted Patent
Utility
US 5,559,907 · App. 08/198,802
Method of controlling polarization properties of a photo-induced device in an optical waveguide and method of investigating structure of an optical waveguide
Inventors:
Daryl Inniss, Ashish Madhukar Vengsarkar, Qian Zhong
Patented Case
View Patent ↗
Granted: Sep 24, 1996
Filed: Feb 17, 1994
Inventors
Daryl Inniss
Ashish Madhukar Vengsarkar
Qian Zhong
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.