Granted Patent
Utility
US 5,330,807 · App. 07/495,054
Composite tubing with low coefficient of expansion for use in marine production riser systems
Inventor:
Jerry G. Williams
Patented Case
View Patent ↗
Granted: Jul 19, 1994
Filed: Mar 15, 1990
Inventor
Jerry G. Williams
Assignee (at issue)
Conoco Inc.
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.