Tizzi Valtiero

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47037 Rimini (Forli), IT

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for the formation of ornamental chains
- Patent number 4,910,954
- Issue date Mar 27, 1990
- Valtiero Tizzi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method and machine for the embellishment of precoined metal strip,...
- Patent number 4,754,535
- Issue date Jul 5, 1988
- Tizzi Valtiero
- B44 - DECORATIVE ARTS
Information Patent Grant
Process for obtaining composite hollow members from variegated long...
- Patent number 4,716,750
- Issue date Jan 5, 1988
- Valtiero Tizzi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of manufacturing jewelry chains from decorated helicoid memb...
- Patent number 4,679,391
- Issue date Jul 14, 1987
- Valtiero Tizzi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method and apparatus for automatic shaping/decoration of longitudin...
- Patent number 4,674,311
- Issue date Jun 23, 1987
- Tizzi Valtiero
- A44 - HABERDASHERY JEWELLERY
Information Patent Grant
Process for the manufacture of semi-finished polychrome composites...
- Patent number 4,666,790
- Issue date May 19, 1987
- Valtiero Tizzi
- A44 - HABERDASHERY JEWELLERY
Information Patent Grant
Semimanufactured product for use in jewelry
- Patent number 3,955,934
- Issue date May 11, 1976
- Valtiero Tizzi
- B44 - DECORATIVE ARTS