Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11441810 | Pre-fabricated modular fire-rated conduit assembly | — | 2022-09-13 |
| RE49087 | Fire-rated modular duct assembly suitable for exhausting flammable or hazardous gases, vapours and other materials | — | 2022-05-31 |
| 11333390 | Fire-rated ventilation duct and improvements therein | — | 2022-05-17 |