Granted Patent
Utility
US 4,284,142 · App. 06/036,658
Method and apparatus for remote installation and servicing of underwater well apparatus
Inventor:
Kerry G. Kirkland
Patented Case
View Patent ↗
Granted: Aug 18, 1981
Filed: May 7, 1979
Inventor
Kerry G. Kirkland
Assignee (at issue)
Armco 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.