Granted Patent
Utility
US 6,712,911 · App. 10/136,577
Flame-cutting of cold or hot slabs using one or more oxycutting torches
Inventors:
Valerie Donze, Bertrand Donze, Pascal Donze, Thierry Rozot
Patented Case
View Patent ↗
Granted: Mar 30, 2004
Filed: Apr 24, 2002
Inventors
Valerie Donze
Bertrand Donze
Pascal Donze
Thierry Rozot
Assignee (at issue)
Eon Holding S.A.
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.