Roger Paul Sonneville

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92210 Saint-Cloud, FR

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Patents Grantslast 30 patents

Information Patent Grant
Device for insulating and fastening railway rails
- Patent number 4,111,361
- Issue date Sep 5, 1978
- Suprotec S.A.
- Roger Paul Sonneville
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Device for anchoring fixing means in a concrete element
- Patent number 4,085,556
- Issue date Apr 25, 1978
- Roger Paul Sonneville
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Spring rail clip with tightening limiting feature
- Patent number 4,066,212
- Issue date Jan 3, 1978
- Roger Paul Sonneville
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Composite railway tie
- Patent number 3,994,436
- Issue date Nov 30, 1976
- Roger Paul Sonneville
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Reinforcing device for an element of prestressed concrete
- Patent number 3,948,010
- Issue date Apr 6, 1976
- Roger Paul Sonneville
- B28 - WORKING CEMENT, CLAY, OR STONE