RH

Robert Holdsworth

JM Joy Global Underground Mining: 1 patents #7 of 32Top 25%
Overall (2021): #284,661 of 548,734Top 55%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11078790 Electric drilling and bolting device Brad Neilson, Peter Hanna 2021-08-03