Douchy; Michel
Patent Applications and Registrations
Patent applications and USPTO patent grants for Douchy; Michel.The latest application filed is for "composite product having a tubular metal casing with a welt-type seam, and a core in powder form, which can be rolled up".
- Douchy; Michel - Vertain FR
- Douchy; Michel - Solesmes FR
| Patent | Date |
|---|---|
| Composite product having a tubular metal casing with a welt-type seam, and a core in powder form, which can be rolled up Grant 4,708,897 - Douchy November 24, 1 | 1987-11-24 |
| Manufacture of a composite tubular product Grant 4,364,770 - Douchy , et al. December 21, 1 | 1982-12-21 |
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