SK

Stanislaw Koprek

Overall (All Time): #4,053,993 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4391654 Method of thermo-chemical treatment of cutting tools and plastic working tools Jerzy Wyszkowski, Wladyslaw Panasiuk, Andzei Piechal 1983-07-05