Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10001009 | Pumpable mine ventilation structure | Joseph P. Bower, John J. Breedlove, Steven S. Fleagle, Tyler Proffitt | 2018-06-19 |
| 9617705 | Retainment wall for underground mine and method of construction | John J. Breedlove, Tyler Proffitt, Robert Lamond | 2017-04-11 |
| 9022689 | Pumpable mine ventilation structure | Joseph P. Bower, John J. Breedlove, Steven S. Fleagle, Tyler Proffitt | 2015-05-05 |
| 8371658 | Apparatus and method for supporting a mine rib | John J. Breedlove, Herbert B. Stiltner | 2013-02-12 |