Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D911750 | Air mattress | Ryan Chiang | 2021-03-02 |
| D906731 | Neck cushion | Ryan Chiang | 2021-01-05 |
| D688899 | Air mattress | Ryan Chiang | 2013-09-03 |
| 7288849 | Gravitational electric power generating device | Hsin-Jung Chiang | 2007-10-30 |