Sergio Calzolari

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Rome, IT

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Patents Grantslast 30 patents

Information Patent Grant
Fluid distributor device for controlling an apparatus for pumping w...
- Patent number 4,105,373
- Issue date Aug 8, 1978
- Fogt Industriemaschinenvertretung A.G.
- Sergio Calzolari
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Pumping apparatus for wet concrete
- Patent number 3,994,627
- Issue date Nov 30, 1976
- Fogt Industriemaschinenvertretung A.G.
- Sergio Calzolari
- B28 - WORKING CEMENT, CLAY, OR STONE