Inventor · disambiguated record
Christian Guion
Also filed as: GUION CHRISTIAN · GUION CHRISTIAN A
9 granted patents·352 citations·filing 1984–2002
90Inventor score
Top patents by PatentIndex Score
9 records- 0183US4675516AApparatus for reading electronic memory cardsFLONIC SA·Filed 1984·Granted Jun 23, 1987·55 cites·5 claims
- 0276US6896189B2Card comprising electrical contactsAXALTO SA·Filed 2001·Granted May 24, 2005·28 cites·2 claims
- 0374US4876540ASystem for controlling metered parkingFLONIC SA·Filed 1988·Granted Oct 24, 1989·84 cites·36 claims
- 0459US5103079ASystem for controlling the use of portable data mediaSCHLUMBERGER IND SA·Filed 1989·Granted Apr 7, 1992·116 cites·2 claims
- 0557US7017804B2Method for providing identification data of a banking card to a userAXALTO SA·Filed 2001·Granted Mar 28, 2006·4 cites·5 claims
- 0648US8744936B2Billing method and device in a cellular packet radiocommunication networkGUION CHRISTIAN·Filed 2002·Granted Jun 3, 2014·5 cites·12 claims
- 0741US6726108B1Device for limiting fraud in an integrated circuit cardSCHLUMBERGER SYSTEMS & SERVICE·Filed 1999·Granted Apr 27, 2004·15 cites·9 claims
- 0835US4908499ARevalidatable service supplying systemSCHLUMBERGER IND SA·Filed 1987·Granted Mar 13, 1990·17 cites·6 claims
- 0933US5086457APrepayment data transmission systemSCHLUMBERGER IND SA·Filed 1991·Granted Feb 4, 1992·28 cites·9 claims
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