Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9755559 | Vibrator motor speed determination in a mobile communications device | Ching Yu John Tam, Ryan Jeffrey Du Bois | 2017-09-05 |
| 8793094 | Vibrator motor speed determination in a mobile communications device | Ching Yu John Tam, Ryan Jeffrey Du Bois | 2014-07-29 |