Francis Bertolotti

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Colombelles, FR

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for rapidly cooling elongated metallic products during th...
- Patent number 4,312,094
- Issue date Jan 26, 1982
- Jean-Claude Daverio
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Apparatus for cooling elongated products during their passage throu...
- Patent number 4,308,881
- Issue date Jan 5, 1982
- Institut de Recherches de la Siderurgie Francaise
- Francis Bertolotti
- B28 - WORKING CEMENT, CLAY, OR STONE