JF

James E. Folkerts

JM Joy Global Underground Mining: 1 patents #59 of 130Top 50%
Overall (All Time): #2,796,410 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10677054 Cutting bit assembly Randy W. Arnold, John R. Frederick, John Hallberg, James Krellner, David Meade +7 more 2020-06-09