Granted Patent
Utility
US 6,068,426 · App. 08/921,150
Method of connecting conduits
Inventors:
François Blanquet, Jean-Pierre Brazzini, Patrick Le Cointe
Patented Case
View Patent ↗
Granted: May 30, 2000
Filed: Aug 29, 1997
Inventors
François Blanquet
Jean-Pierre Brazzini
Patrick Le Cointe
Assignee (at issue)
Gaz de France-(GDF) Service National
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.