Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9162176 | Apparatus and method for affecting air | Michael Scott Bishoff, Donald Beitzel, John J. Reinmann, Jr. | 2015-10-20 |
| 8794711 | Refuge chamber and method | — | 2014-08-05 |
| 8506681 | Apparatus, system and method for cleaning air | Michael Scott Bishoff, Donald Beitzel, John J. Reinmann, Jr. | 2013-08-13 |