RW

Robert N. Weerstra

HO Howmet: 1 patents #52 of 110Top 50%
Overall (All Time): #3,828,374 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5226946 Vacuum melting/casting method to reduce inclusions Randall S. Diehm, Blake K. Zuidema 1993-07-13