Granted Patent
Utility
US 4,517,665 · App. 06/553,387
Acoustically transparent hydrophone probe
Inventors:
Aime S. DeReggi, Gerald R. Harris
Patented Case
View Patent ↗
Granted: May 14, 1985
Filed: Nov 17, 1983
Inventors
Aime S. DeReggi
Gerald R. Harris
Assignee (at issue)
Department of Health and Human Services
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.