SN

Shigesaburo Nakagawa

NA Nakagawa: 4 patents #2 of 4Top 50%
Overall (All Time): #1,061,368 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
D322416 Jewelry chain — 1991-12-17
D319198 Jewelry chain — 1991-08-20
4679392 Process for producing a garland chain — 1987-07-14
4348861 Jewelry chains by electro-forming — 1982-09-14
4329765 Method for manufacturing a spring ring to be electroplated — 1982-05-18