UD

Umeo Doyama

RC Riccar Co.: 2 patents #6 of 6Top 100%
Overall (All Time): #2,364,501 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4417531 Sewing machine with electronic controlled stitch pattern generator — 1983-11-29
4258638 Electromagnetic control device for sewing machine — 1981-03-31