Granted Patent
Utility
US 5,734,493 · App. 08/742,712
Optical frequency conversion device
Inventor:
Robert Meachem Jopson
Patented Case
View Patent ↗
Granted: Mar 31, 1998
Filed: Nov 1, 1996
Inventor
Robert Meachem Jopson
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.