Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9914086 | General ventilation system with automatic cleaning cycle | David Bohrer, DuWayne Bohrer, Thomas Scott Rich | 2018-03-13 |
| 9908075 | General ventilation system with automatic cleaning cycle | David Bohrer, DuWayne Bohrer, Thomas Scott Rich | 2018-03-06 |