Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10974371 | Hand tool | — | 2021-04-13 |
| 10753384 | Suction cup | Yuan-Po Chang | 2020-08-25 |
| 10519695 | Cathode lock and method allowing the cathode lock to switch between normally-opened state and normally-closed state | — | 2019-12-31 |
| 10422168 | Energy-saving magnetic lock | — | 2019-09-24 |
| 9803682 | Suction cup device | Yuan-Po Chang | 2017-10-31 |
| 9565962 | Multi-functional fruit and vegetable shaping tool | — | 2017-02-14 |
| 9510618 | Juice extracting device | — | 2016-12-06 |
| D760040 | Eggshell cutter | — | 2016-06-28 |
| 9365329 | Container seal | — | 2016-06-14 |
| 8292337 | Device for controlling a door | — | 2012-10-23 |
| D389948 | Lamp stand | — | 1998-01-27 |