Jean-Louis Guillon

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Migne-Auxances, FR

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Patents Grantslast 30 patents

Information Patent Grant
Lead seal assembly
- Patent number 6,764,114
- Issue date Jul 20, 2004
- Schlumberger Industires, S.A.
- Jean-Louis Guillon
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Meter tamper detection device capable of counting multiple openings
- Patent number 6,054,930
- Issue date Apr 25, 2000
- Schlumberger Industries, S.A.
- Jean-Louis Guillon
- G06 - COMPUTING CALCULATING COUNTING