Granted Patent
Utility
US 5,138,480 · App. 07/745,022
Traveling wave optical modulator
Inventors:
David W. Dolfi, Roger L. Jungerman
Patented Case
View Patent ↗
Granted: Aug 11, 1992
Filed: Aug 14, 1991
Inventors
David W. Dolfi
Roger L. Jungerman
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.