Granted Patent
Utility
US 6,349,979 · App. 09/581,170
Integral threaded assembly of two metal tubes
Inventors:
Thierry Noel, Emmanuel Varenne
Patented Case
View Patent ↗
Granted: Feb 26, 2002
Filed: Jun 13, 2000
Inventors
Thierry Noel
Emmanuel Varenne
Assignee (at issue)
VALLOUREC MANNESMANN OIL & GAS FRANCE
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.