Granted Patent
Utility
US 4,294,471 · App. 06/099,183
Subsea flowline connector
Inventor:
Bernard Herman Van Bilderbeek
Patented Case
View Patent ↗
Granted: Oct 13, 1981
Filed: Nov 30, 1979
Inventor
Bernard Herman Van Bilderbeek
Assignee (at issue)
VETCO, 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.