Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9391493 | Air cooled electric motor | Ngan Fai Leung, Stephen English, Matthew W. Critchley, Janice Fitzgerald, Frank Edward Staigl, III +2 more | 2016-07-12 |
| 8881688 | Gas-fired water heater with an exhaust assembly | Stephen English, Michael R. Hasbargen, Anthony J. Coloma | 2014-11-11 |
| 8519582 | Air cooled electric motor | Ngan Fai Leung, Stephen English, Matthew W. Critchley, Janice Fitzgerald, Frank Edward Staigl, III +2 more | 2013-08-27 |
| 7541701 | Totally enclosed fan cooled motor | Chih-Min Lin, William J. Watkins, Oscar Romero, Janice Fitzgerald, Ming C. Kuo | 2009-06-02 |