Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9300167 | Circulating charging/discharging device for an electric vehicle | Chang-Ning Hung, An-Ying Hung | 2016-03-29 |
| 5035005 | Inflight headset for civil aircraft | — | 1991-07-30 |
| 5033094 | Adjustable headset | — | 1991-07-16 |