Granted Patent
Utility
US 5,474,132 · App. 08/234,530
Marine riser
Inventor:
William P. Gallagher
Patented Case
View Patent ↗
Granted: Dec 12, 1995
Filed: Apr 28, 1994
Inventor
William P. Gallagher
Assignee (at issue)
Westinghouse Electric 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.