P

Inventor

GUION CHRISTIAN

FR8 patents
⚠️ This page may combine multiple inventors who share the name “GUION CHRISTIAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SCHLUMBERGER IND SA

3 patents
US5103079AApr 7, 1992

System for controlling the use of portable data media

SCHLUMBERGER IND SA116 citations90
US5086457AFeb 4, 1992

Prepayment data transmission system

SCHLUMBERGER IND SA28 citations87
US4908499AMar 13, 1990

Revalidatable service supplying system

SCHLUMBERGER IND SA17 citations72

FLONIC SA

2 patents
US4675516AJun 23, 1987

Apparatus for reading electronic memory cards

FLONIC SA55 citations94
US4876540AOct 24, 1989

System for controlling metered parking

FLONIC SA84 citations92

AXALTO SA

2 patents
US6896189B2May 24, 2005

Card comprising electrical contacts

AXALTO SA28 citations89
US7017804B2Mar 28, 2006

Method for providing identification data of a banking card to a user

AXALTO SA4 citations61

GUION CHRISTIAN

1 patent
US8744936B2Jun 3, 2014

Billing method and device in a cellular packet radiocommunication network

GUION CHRISTIAN5 citations59