Robert E. Durand

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Rambouillet, FR

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Patents Grantslast 30 patents

Information Patent Grant
Traffic divider witl ballast fill and drainage channel
- Patent number 5,104,254
- Issue date Apr 14, 1992
- Materiels et Applications de Securite pour les Aeroports l'Industrie et les R...
- Robert E. Durand
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Anti-dazzle screen
- Patent number 4,923,284
- Issue date May 8, 1990
- Materials Et Applications De Securite Pour Les Aeroports L'Industrie Et Les R...
- Robert E. Durand
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES