Granted Patent
Utility
US 6,451,097 · App. 09/709,630
Air treatment plant provided with noise attenuation means
Inventors:
Philippe Andreani, Christian Berta, Thomas Wellnitz
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Nov 13, 2000
Inventors
Philippe Andreani
Christian Berta
Thomas Wellnitz
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.