WD

William V. Dycus

BL Boart Longyear: 2 patents #2 of 24Top 9%
Overall (All Time): #2,205,976 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6615931 Continuous feed drilling system Louis E. Silay 2003-09-09
5794723 Drilling rig Clifford Caneer, Jr. 1998-08-18