Granted Patent
Utility
US 4,517,440 · App. 06/123,531
Underwater electrode with waterproof integrity
Inventors:
Raymond L. Sadauskas, Paul E. Moore
Patented Case
View Patent ↗
Granted: May 14, 1985
Filed: Feb 22, 1980
Inventors
Raymond L. Sadauskas
Paul E. Moore
Assignee (at issue)
Arcair 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.