PH

Peter Hanna

JM Joy Global Underground Mining: 2 patents #2 of 32Top 7%
Overall (2021): #123,477 of 548,734Top 25%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11203933 Support for drilling and bolting tool Callum Tyler, Brad Neilson 2021-12-21
11078790 Electric drilling and bolting device Robert Holdsworth, Brad Neilson 2021-08-03