SH

Samuel N. Holter

KO Koppers: 2 patents #22 of 126Top 20%
Overall (All Time): #2,348,462 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4592783 Rust preventives Hans Dressler, Nancy Znidarsic 1986-06-03
4433181 Process for recovering a crystallization medium 1984-02-21