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Jacques Mettes
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Doylestown, PA, US
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last 30 patents
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Patent Grant
Apparatus for producing standard gas mixtures
Patent number
5,239,856
Issue date
Aug 31, 1993
L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
Jacques Mettes
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for producing standard gas mixture and apparatus for produc...
Patent number
5,157,957
Issue date
Oct 27, 1992
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Ge...
Jacques Mettes
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for producing low-concentration gas mixtures, and apparatus...
Patent number
5,054,309
Issue date
Oct 8, 1991
L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
Jacques Mettes
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL