Philippe Feppon

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Paris, FR

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Patents Grantslast 30 patents

Information Patent Grant
Method and device to measure the optical transmission factor of a t...
- Patent number 4,925,310
- Issue date May 15, 1990
- Jaeger
- Philippe Feppon
- G01 - MEASURING TESTING
Information Patent Grant
Device for detection of extraneous substances through a wall and a...
- Patent number 4,874,242
- Issue date Oct 17, 1989
- Jaeger
- Jean-Jacques Bezard
- B60 - VEHICLES IN GENERAL