Granted Patent
Utility
US 5,524,014 · App. 08/247,381
Optical frequency translator
Inventors:
Ivan P. Kaminow, Martin Zirngibl
Patented Case
View Patent ↗
Granted: Jun 4, 1996
Filed: May 23, 1994
Inventors
Ivan P. Kaminow
Martin Zirngibl
Assignee (at issue)
AT&T CORP.
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.