Granted Patent
Utility
US 4,741,402 · App. 06/918,753
Subsea hydraulic connector with multiple ports
Inventor:
John David Smith
Patented Case
View Patent ↗
Granted: May 3, 1988
Filed: Oct 14, 1986
Inventor
John David Smith
Assignee (at issue)
Hughes Tool Company 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.