DB

Douglas E. Bise

KE Kennametal: 4 patents #1 of 46Top 3%
📍 Huntington, WV: #1 of 9 inventorsTop 15%
🗺 West Virginia: #8 of 163 inventorsTop 5%
Overall (2005): #12,990 of 245,428Top 6%
4
Patents 2005

Issued Patents 2005

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6945340 Roof bit and insert assembly Phillip W. Haga, Ted R. Massa 2005-09-20
6915867 Earth penetrating rotary drill bit with helical ports 2005-07-12
6886645 Liquid seal for wet roof bit Phillip W. Haga 2005-05-03
6860344 Monolithic roof cutting bit insert Phillip W. Haga 2005-03-01