Granted Patent
Utility
US 4,633,119 · App. 06/744,739
Broadband multi-resonant longitudinal vibrator transducer
Inventor:
Stephen C. Thompson
Patented Case
View Patent ↗
Granted: Dec 30, 1986
Filed: Jun 14, 1985
Inventor
Stephen C. Thompson
Assignee (at issue)
Gould 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.