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Jean Ehrsam
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Clamart, FR
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last 30 patents
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Patent Grant
Automatic and guided system for transporting people and method for...
Patent number
7,258,309
Issue date
Aug 21, 2007
Alstom
Jean Ehrsam
B60 - VEHICLES IN GENERAL
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last 30 patents
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Patent Application
Automatic and guided system for transporting people and method for...
Publication number
20050005813
Publication date
Jan 13, 2005
Jean Ehrsam
B60 - VEHICLES IN GENERAL