RB

Ric Boyd

JM Joy Global Underground Mining: 1 patents #13 of 47Top 30%
Overall (2019): #300,755 of 560,194Top 55%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10415384 Mining machine with multiple cutter heads Peter A. Lugg, Geoffrey W. Keech, Bradley M. Neilson, Nagy Daher 2019-09-17