Pierre Didiergeorge

Follow

Person

Besancon, FR

People

Patents Grantslast 30 patents

Information Patent Grant
System for issuing tickets
- Patent number 4,945,213
- Issue date Jul 31, 1990
- Schlumberger Industries, S.A.
- Pierre Didiergeorge
- G07 - CHECKING-DEVICES
Information Patent Grant
System for providing tickets with or without a stub
- Patent number 4,900,174
- Issue date Feb 13, 1990
- Schlumberger Industries
- Pierre Didiergeorge
- G07 - CHECKING-DEVICES