GK

Geoffrey W. Keech

JM Joy Global Underground Mining: 1 patents #2 of 19Top 15%
Overall (2025): #383,420 of 469,880Top 85%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12385395 Cutter head for mining machine Russell P. Smith, Andrew D. Hunter, Peter A. Lugg, Ian B. Schirmer, Christopher Coates +1 more 2025-08-12