MA

Michael O. Attwater

BH Boart Longyear International Holdings: 1 patents #3 of 8Top 40%
📍 North Bay, CA: #23 of 51 inventorsTop 50%
Overall (All Time): #3,511,580 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6564885 Up-hole overshot and safety drilling apparatus — 2003-05-20