Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11981061 | Preparation method of a passive horn | Cheng Ho | 2024-05-14 |
| 11780131 | Passive horn integrally formed by using thermoplastic vulcanized rubber and preparation method thereof | Cheng Ho | 2023-10-10 |
| 11338483 | Passive horn integrally formed by using thermoplastic vulcanized rubber and preparation method thereof | Cheng Ho | 2022-05-24 |