Granted Patent
Utility
US 6,561,799 · App. 10/149,159
Sealing box for a chamber for continuously treating a thin strip product, in particular for a furnace for continuously carbonizing a fiber substrate
Inventors:
Yvan Baudry, Hervé Evrard, Michel Laxague
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Jun 6, 2002
Inventors
Yvan Baudry
Hervé Evrard
Michel Laxague
Assignee (at issue)
Snecma Propulsion Solide
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.