Granted Patent
Utility
US 6,823,936 · App. 10/240,471
Fluid flow control apparatus
Inventor:
James Wilson
Patented Case
View Patent ↗
Granted: Nov 30, 2004
Filed: Oct 2, 2002
Inventor
James Wilson
Assignee (at issue)
ABB Offshore Systems Limited
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.