Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8487221 | Heat and/or light producing unit powered by a lithium secondary cell battery with high charge and discharge rate capability | Brian S. Vandrak | 2013-07-16 |
| 8053709 | Heat and/or light producing unit powered by a lithium secondary cell battery with high charge and discharge rate capability | Brian S. Vandrak | 2011-11-08 |
| 7823579 | Vertically-storable combustion heater | Brian S. Vandrak, Dennis O'Toole | 2010-11-02 |
| 5653220 | Burn rate control valve for gas fired heaters | Wallance W. Velie, Paul Biallas | 1997-08-05 |
| 5498154 | Burner with over surface ignitor and high limit control | Wallace W. Velie | 1996-03-12 |
| 5017129 | Porous ceramic gas burner | Wallace W. Velie, William T. Lewis | 1991-05-21 |