PL

Peter A. Lugg

JM Joy Global Underground Mining: 3 patents #1 of 29Top 4%
Overall (2023): #65,181 of 537,848Top 15%
3
Patents 2023

Issued Patents 2023

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11846190 Rock cutting device Geoffrey W. Keech 2023-12-19
11725512 Method for removing material from a rock wall Russell P. Smith, Andrew D. Hunter, Ian B. Schirmer, Geoffrey W. Keech, Christopher Coates +1 more 2023-08-15
11598208 Machine supporting rock cutting device Geoffrey W. Keech, Stuart Reeves, Nagy Daher 2023-03-07