Granted Patent
Utility
US 5,559,633 · App. 08/543,692
Optical isolator with reduced relative walk-off
Inventor:
William L. Emkey
Patented Case
View Patent ↗
Granted: Sep 24, 1996
Filed: Oct 16, 1995
Inventor
William L. Emkey
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.