MH

Mark Alan Helle

HC Hoechst Celanese: 1 patents #48 of 174Top 30%
📍 Hope, RI: #2 of 2 inventorsTop 100%
🗺 Rhode Island: #66 of 341 inventorsTop 20%
Overall (1994): #97,183 of 165,921Top 60%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5350838 High temperature process for preparing fiber reactive dyes Walter Helmling 1994-09-27