Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9865944 | Output terminal, insulator sleeve, cover for AC generator and assembly thereof | Hung-Chih Chang, Chun-Yuan Wang, Ping-Feng Tsai | 2018-01-09 |
| 7387655 | Air filtration unit | Todd Chipner, Mark A. Etter, Angela Denise Shelton, Leslie Daily Gist, John C. Smith | 2008-06-17 |
| 7074250 | Air filtration unit | Todd Chipner, Mark A. Etter, Angela Denise Shelton, Leslie Daily Gist, John C. Smith | 2006-07-11 |