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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for detecting gases
Patent number
6,509,567
Issue date
Jan 21, 2003
Gaz de France
Thierry Boudet
G01 - MEASURING TESTING
Information
Patent Grant
Continuous current supply for electrical automotive vehicle
Patent number
6,406,812
Issue date
Jun 18, 2002
Oldham France S.A.
Claude Maurice Pierre Dreulle
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method of analyzing a gas mixture to determine its explosibility an...
Patent number
6,346,420
Issue date
Feb 12, 2002
Oldham France S.A.
Tomislav Miric
G01 - MEASURING TESTING
Information
Patent Grant
Method of determining the concentration of a gas in a gas mixture a...
Patent number
6,218,666
Issue date
Apr 17, 2001
Oldham France S.A.
Ivan Gavrilovic Lukica
G01 - MEASURING TESTING
Information
Patent Grant
Helmet-carried apparatus for detecting and signalling the presence...
Patent number
4,263,588
Issue date
Apr 21, 1981
Oldham France S.A.
Alain L. Gautier
G08 - SIGNALLING
Patents Applications
last 30 patents
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