Granted Patent
Utility
US 5,676,209 · App. 08/559,638
Deep water riser assembly
Inventor:
Graeme E. Reynolds
Patented Case
View Patent ↗
Granted: Oct 14, 1997
Filed: Nov 20, 1995
Inventor
Graeme E. Reynolds
Assignee (at issue)
Hydril Company
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.