Michel Duchemin

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Lambres les Douai, FR

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Patents Grantslast 30 patents

Information Patent Grant
Resilient mounting for a rail on its support
- Patent number 4,353,503
- Issue date Oct 12, 1982
- Societe: Ressorts Industrie
- Michel Duchemin
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Elastically yieldable rail fastener and rail fixing device includin...
- Patent number 4,088,267
- Issue date May 9, 1978
- Ressorts Du Nord S. A.
- Michel Duchemin
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Device for elastically fastening a rail on its supports
- Patent number 4,054,247
- Issue date Oct 18, 1977
- Ressorts Du Nord S. A.
- Michel Duchemin
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
System for fastening a rail to its support
- Patent number 4,026,466
- Issue date May 31, 1977
- Ressorts Du Nord S. A.
- Michel Duchemin
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES