JK

John J. Kozak

KO Koppers: 1 patents #44 of 126Top 35%
Overall (All Time): #3,958,595 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4769230 Process for preparation of arsenic acid Nicholas P. Greco, Byung Kook Ahn 1988-09-06