RB

Ric Boyd

JM Joy Global Underground Mining: 1 patents #11 of 51Top 25%
Overall (2020): #303,413 of 565,922Top 55%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10876399 Mining machine with multiple cutter heads Peter A. Lugg, Geoffrey W. Keech, Bradley M. Neilson, Nagy Daher 2020-12-29