Granted Patent
Utility
US 6,219,304 · App. 09/129,787
Device capable of being submerged and including an acoustic transducer
Inventors:
Jean-Pierre Mignot, Paul Dinnissen
Patented Case
View Patent ↗
Granted: Apr 17, 2001
Filed: Aug 6, 1998
Inventors
Jean-Pierre Mignot
Paul Dinnissen
Assignee (at issue)
Asulab S.A.
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.