Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10472961 | Cutter head for mining machine | Russell P. Smith, Andrew D. Hunter, Ian B. Schirmer, Geoffrey W. Keech, Christopher Coates +1 more | 2019-11-12 |
| 10415384 | Mining machine with multiple cutter heads | Geoffrey W. Keech, Bradley M. Neilson, Nagy Daher, Ric Boyd | 2019-09-17 |