DS

David A. Spears

DI Dow Technology Investments: 1 patents #73 of 144Top 55%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,230,179 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8309771 Two-stage, gas phase process for the manufacture of alkylene glycol Joseph C. Noronha, Elbert J. Campbell, Brian T. Keen, Dick Nagaki, Hwaili Soo +1 more 2012-11-13