ED

Ernest E. Donath

IR International Coal Refining: 1 patents #17 of 33Top 55%
Overall (All Time): #4,052,651 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4387015 Coal liquefaction quenching process Robert M. Thorogood, Chung-Liang Yeh 1983-06-07