Granted Patent
Utility
US 5,631,771 · App. 08/176,359
Optical isolator with polarization dispersion and differential transverse deflection correction
Inventor:
Clarence B. Swan
Patented Case
View Patent ↗
Granted: May 20, 1997
Filed: Dec 29, 1993
Inventor
Clarence B. Swan
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.