Granted Patent
Utility
US 6,036,795 · App. 09/062,725
Butt-welding process using an automatically controlled electro-welding machine
Inventors:
Jean Sauron, Gil Gaunt, Jean-Claude Hugueny
Patented Case
View Patent ↗
Granted: Mar 14, 2000
Filed: Apr 20, 1998
Inventors
Jean Sauron
Gil Gaunt
Jean-Claude Hugueny
Assignees (at issue)
Gaz de France-(GDF) Service National
Societe Joseph Sauron Materiel Industriel
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.