Gerard Dolhen

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Moret S. Loing, FR

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for machining the wall of a cylindrical tube b...
- Patent number 4,786,219
- Issue date Nov 22, 1988
- Electricite de France
- Claude Oberlin
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Device for sealing an opening and slide valve comprising such a device
- Patent number 4,705,259
- Issue date Nov 10, 1987
- Electricite de France (Service National)
- Gerard Dolhen
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL