Granted Patent
Utility
US 4,614,368 · App. 06/703,143
Liquid metal pipe joint
Inventor:
John F. Couilahn
Patented Case
View Patent ↗
Granted: Sep 30, 1986
Filed: Feb 19, 1985
Inventor
John F. Couilahn
Assignee (at issue)
General Dynamics Corporation, Convair Division
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.