Granted Patent
Utility
US 4,449,210 · App. 06/332,791
Fiber optic hydrophone transducers
Inventor:
Jon H. Myer
Patented Case
View Patent ↗
Granted: May 15, 1984
Filed: Dec 21, 1981
Inventor
Jon H. Myer
Assignee (at issue)
Hughes Aircraft Company
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.