Francesco Grego

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Portogruaro, IT

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Patents Grantslast 30 patents

Information Patent Grant
Rotary twister element for frictional open-end spinning
- Patent number 4,704,859
- Issue date Nov 10, 1987
- Officine Savio S.p.A.
- Giovanni Nerli
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Friction open-end spinning process and apparatus
- Patent number 4,698,960
- Issue date Oct 13, 1987
- 501 Officine Savio S.p.A.
- Giovanni Nerli
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING