Granted Patent
Utility
US 4,582,582 · App. 06/660,242
Method and means for generating electrical and magnetic fields in salt water environment
Inventor:
Henry F. Gibbard
Patented Case
View Patent ↗
Granted: Apr 15, 1986
Filed: Oct 11, 1984
Inventor
Henry F. Gibbard
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.