Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8033900 | Low profile animal restricting vent for fluid discharge conduits | Brian R. Dykstra | 2011-10-11 |
| 7988544 | Bird/animal restricting vent for fluid/air discharge conduits | Brian R. Dykstra | 2011-08-02 |
| 7975447 | Decorative trim assembly | Brian R. Dykstra | 2011-07-12 |