IS

Ian L. Spain

CG Celanese Gmbh: 1 patents #216 of 478Top 50%
📍 Fort Collins, CO: #2,178 of 3,421 inventorsTop 65%
🗺 Colorado: #24,093 of 40,980 inventorsTop 60%
Overall (All Time): #3,968,146 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4642664 Electrical device made of partially pryolyzed polymer Harris A. Goldberg, Ilmar L. Kalnin, Clyde C. Williams 1987-02-10