DD

Darrell L. Durham

Overall (All Time): #2,219,067 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6464613 Power-shiftable compound planetary transmission Marshall Kolb 2002-10-15
5746517 Retaining assembly for roller bearings Mark A. Johnson, David W. O'Reilly 1998-05-05