EM

Erwin Mock

BI Bucyrus Intl.: 2 patents #5 of 30Top 20%
Overall (All Time): #2,236,688 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6047775 Blast hole drill pipe gripping mechanism — 2000-04-11
5931231 Blast hole drill pipe gripping mechanism — 1999-08-03