Granted Patent
Utility
US 5,769,466 · App. 08/907,619
Threaded joint for pipes
Inventors:
Thierry Noel, Takuya Tsujimura
Patented Case
View Patent ↗
Granted: Jun 23, 1998
Filed: Aug 8, 1997
Inventors
Thierry Noel
Takuya Tsujimura
Assignees (at issue)
Vallourec Oil & Gas
SUMITOMO METAL INDUSTRIES, LTD.
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.