Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11778441 | Method and apparatus for protecting a miner | Michael W. Bertosh, Kelly Norton, Brian Dunkin | 2023-10-03 |
| 11388571 | Method and apparatus for protecting a miner | Michael W. Bertosh, Kelly Norton, Brian Dunkin | 2022-07-12 |
| 10600306 | Gas monitor, system and method sensing two different gases | Robert E. Albinger, Cody T. Lawler, Tom Michaud, Brian Dunkin, David Hakins +1 more | 2020-03-24 |
| 10433141 | Communication system in a mine, a node, and method | Tom Michaud, Brian Dunkin, David Hakins, Michael W. Bertosh, Cody T. Lawler +1 more | 2019-10-01 |
| 10089848 | Gas monitor, system and method sensing two different gases | Robert E. Albinger, Cody T. Lawler, Tom Michaud, Brian Dunkin, David Hakins +1 more | 2018-10-02 |
| 9761143 | Proximity detection system with approach zone | Tom Michaud, Brian Dunkin, David Hakins, Dwayne Towery, Gary Herda | 2017-09-12 |
| 9712949 | Method and apparatus for protecting a miner | Michael W. Bertosh, Kelly Norton, Brian Dunkin | 2017-07-18 |
| 9537583 | Method, controller, and system for tunnel communication | Michael W. Bertosh | 2017-01-03 |
| 9118409 | Method, controller, and system for tunnel communication | Michael W. Bertosh | 2015-08-25 |