Granted Patent
Utility
US 4,491,345 · App. 06/290,464
Marine conductor coupling
Inventor:
Albert M. Regan
Patented Case
View Patent ↗
Granted: Jan 1, 1985
Filed: Aug 6, 1981
Inventor
Albert M. Regan
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.