Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1083561 | Seal twister | — | 2025-07-15 |
| 12344522 | Manually operated dual-action suction/delivery fluid pump and component assembly thereof | — | 2025-07-01 |
| 11794367 | Cold knife holder capable of pushing and pulling operation | Yu-Yang Tseng | 2023-10-24 |
| D964836 | Cold knife holder | Yu-Yang Tseng | 2022-09-27 |
| 10808731 | Multifunctional air extraction boosting pump | — | 2020-10-20 |