Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10066877 | High efficiency ventilation system | David Rich | 2018-09-04 |
| 9891005 | High efficiency ventilation system | David Rich | 2018-02-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10066877 | High efficiency ventilation system | David Rich | 2018-09-04 |
| 9891005 | High efficiency ventilation system | David Rich | 2018-02-13 |