Piero Negri

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Pavia, IT

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Patents Grantslast 30 patents

Information Patent Grant
Assembling device for fabric layers for industrial machines
- Patent number 4,905,616
- Issue date Mar 6, 1990
- NECCHI Societa per Azioni
- Flavio Bisson
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Automatic exchange of the size in an automatic sewing unit
- Patent number 4,903,620
- Issue date Feb 27, 1990
- NECCHI Societa per Azioni
- Flavio Bisson
- D05 - SEWING EMBROIDERING TUFTING