HA

Herbert R. Appell

UG US Government: 1 patents #24 of 238Top 15%
Overall (All Time): #3,996,791 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
H69 Solvent treatment of coal for improved liquefaction Nand K. Narain, Bruce R. Utz 1986-06-03