Granted Patent
Utility
US 4,596,375 · App. 06/625,341
Hydraulic control of subsea well equipment
Inventors:
Gary L. Hurta, Lionel J. Milberger, Alford M. Williams
Patented Case
View Patent ↗
Granted: Jun 24, 1986
Filed: Jun 27, 1984
Inventors
Gary L. Hurta
Lionel J. Milberger
Alford M. Williams
Assignee (at issue)
Vetco Offshore, 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.