RS

Ralph Svenningsen

DY Dystar: 2 patents #3 of 16Top 20%
📍 West Greenwich, RI: #66 of 162 inventorsTop 45%
🗺 Rhode Island: #2,419 of 6,211 inventorsTop 40%
Overall (All Time): #2,251,010 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5932708 Reactive azo dyes having a permanent quaternary ammonium group and a fiber-reactive group Thomas S. Phillips, Ronald Pedemonte 1999-08-03
5925745 Reactive dyes containing a permanent quaternary ammonium group Thomas S. Phillips, Ronald Pedemonte 1999-07-20