Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9963195 | Motorized bicycle with electronic speed controlled gears | Henry Shum | 2018-05-08 |
| 9611002 | Motorized bicycle with pedal regeneration with automatic assistance | Henry Shum | 2017-04-04 |
| 8956479 | Materials and methods for the removal of sulfur compounds from feedstock | Hanwei Lei, Maha Hammoud, Liya Wang | 2015-02-17 |