DR

Dirk Retzkowski

WG Widia Gmbh: 2 patents #20 of 51Top 40%
Overall (All Time): #2,252,733 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5951215 Polygonal cotting insert Jose Agustin Paya, Klaus Rodiger 1999-09-14
5779401 Cutting insert Erwin Stallwitz, Jose Agustin Paya, Klaus Mader 1998-07-14