SS

Stephen A. Spearman

CI Ciba-Geigy: 1 patents #1,572 of 2,867Top 55%
📍 West Warwick, RI: #78 of 120 inventorsTop 65%
🗺 Rhode Island: #3,444 of 6,211 inventorsTop 60%
Overall (All Time): #4,036,111 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4454347 Process for purification and isolation of diaminophenylindane Marc E. Parham, Gleason O. Cookson 1984-06-12