Granted Patent
Utility
US 4,467,274 · App. 06/264,200
Electrical surveys of underwater or underground structures with electrode-to-electrolyte potential correction
Inventors:
James B. Bushman, Clark P. Weldon, Stephen L. Wolfson
Patented Case
View Patent ↗
Granted: Aug 21, 1984
Filed: May 15, 1981
Inventors
James B. Bushman
Clark P. Weldon
Stephen L. Wolfson
Assignee (at issue)
HARCO, LLC
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.