Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9582011 | Integrated attic ventilation, air conditioning and heating system electronic controller and system and method for use of same | — | 2017-02-28 |
| 9121619 | Hyper-aeration apparatus for attic ventilation | — | 2015-09-01 |
| 5049801 | Dual speed controller for attic ventilator | — | 1991-09-17 |
| 4831921 | Spindle bearing assembly for turbine ventilator | — | 1989-05-23 |