DH

Donald B. Hopkins

S( Standard Oil Company (Indiana): 1 patents #254 of 576Top 45%
TC The Regents Of The University Of Calif.: 1 patents #5 of 63Top 8%
📍 McLeansboro, IL: #223 of 612 inventorsTop 40%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,299,347 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5182524 Method and apparatus for stabilizing pulsed microwave amplifiers — 1993-01-26
4306965 Hydrotreating process Albert L. Hensley, Jr., Leonard M. Quick 1981-12-22