Granted Patent
Utility
US 6,603,092 · App. 09/870,013
Hybrid electric-arc/laser welding process, especially for the welding of pipes or motor-vehicle components
Inventors:
Francis Briand, Christian Bonnet
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: May 31, 2001
Inventors
Francis Briand
Christian Bonnet
Assignee (at issue)
L'Air Liquide, Société Anonyme à Directoire et Conseil de Surveillance pour l'Étude et l'Exploitation des Procédés Georges Claude
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.