Frédéric Wehoski

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Gretz Armainvillers, FR

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Patents Grantslast 30 patents

Information Patent Grant
Contactless communication system for exchanging data
- Patent number 6,636,146
- Issue date Oct 21, 2003
- Regie Autonome des Transports Parisiens
- Frédéric Wehoski
- G06 - COMPUTING CALCULATING COUNTING