Granted Patent
Utility
US 6,715,555 · App. 10/280,847
Subsea well production system
Inventors:
Lionel J. Milberger, Darren W. Mills
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: Oct 26, 2002
Inventors
Lionel J. Milberger
Darren W. Mills
Assignee (at issue)
Dril-Quip, 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.