Granted Patent
Utility
US 5,286,462 · App. 07/947,608
Gas generator system for underwater buoyancy
Inventor:
Jonathan E. Olson
Patented Case
View Patent ↗
Granted: Feb 15, 1994
Filed: Sep 21, 1992
Inventor
Jonathan E. Olson
Assignee (at issue)
Magnavox Electronic Systems 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.