Inventor

SGRIGNUOLI VITTORIO

IT3 patents

⚠️ This page may combine multiple inventors who share the name “SGRIGNUOLI VITTORIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GD SPA

2 patents

US7625328B2Dec 1, 2009

Method of production of a cigarette filter

GD SPA4 citations58

US11160303B2Nov 2, 2021

Device for changing operative parts for tobacco industry machines

GD SPA0 citations49

PELLICONI INTERNAT MACHINERY S

1 patent

US6812427B2Nov 2, 2004

Rolling head for an electric resistance welder

PELLICONI INTERNAT MACHINERY S3 citations48