Granted Patent
Utility
US 4,757,508 · App. 07/129,617
Tracking modulation limiter for lasers
Inventor:
David E. Zimmerman
Patented Case
View Patent ↗
Granted: Jul 12, 1988
Filed: Dec 7, 1987
Inventor
David E. Zimmerman
Assignee (at issue)
GRASS VALLEY LIMITED
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.