JP

John H. Platman

EN Engelhard: 2 patents #165 of 518Top 35%
📍 Hudson, OH: #268 of 536 inventorsTop 50%
🗺 Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #2,274,419 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
RE35654 Mixed coupled azo pigments James W. Nuss 1997-11-11
5246494 Mixed coupled azo pigments James W. Nuss 1993-09-21