JS

John B. Siemak

The Dow Chemical: 1 patents #2,215 of 4,115Top 55%
📍 Concord, CA: #415 of 739 inventorsTop 60%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #4,117,224 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4216087 Scrubber scale prevention Ray S. Long 1980-08-05