Granted Patent
Utility
US 6,378,553 · App. 09/420,562
Built-in manometer for a device for the distribution of fluid under pressure, particularly for a gas expander
Inventor:
Gilles Cannet
Patented Case
View Patent ↗
Granted: Apr 30, 2002
Filed: Oct 19, 1999
Inventor
Gilles Cannet
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.