Granted Patent
Utility
US 6,328,842 · App. 09/353,635
Machine for welding hollow articles and process for welding these articles
Inventors:
Hubert Coninck, Pierre Gilliard, Joel Op De Beeck, Guy Van Meulebeke, Jules-Joseph Van Schaftingen
Patented Case
View Patent ↗
Granted: Dec 11, 2001
Filed: Jul 15, 1999
Inventors
Hubert Coninck
Pierre Gilliard
Joel Op De Beeck
Guy Van Meulebeke
Jules-Joseph Van Schaftingen
Assignee (at issue)
Solvay SA
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.