Michel Duchemin

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Lambres Lez Douai, FR

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Patents Grantslast 30 patents

Information Patent Grant
Resilient rail fastener
- Patent number 4,484,706
- Issue date Nov 27, 1984
- Ressorts Industrie
- Michel Duchemin
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Devices for elastically fastening rail-way rails by locking
- Patent number 4,373,667
- Issue date Feb 15, 1983
- Ressorts Industrie
- Michel Duchemin
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES