Issued Patents 2016
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9500387 | Duct access door | Brian S. Smith | 2016-11-22 |
| 9435556 | Hinge assembly for supporting a fan on a roof | — | 2016-09-06 |
| 9303887 | Hinge assembly for supporting a fan on a roof | — | 2016-04-05 |