Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12369959 | Screw with an improved screw head | E Erik Timothy, Chih-Hsien Shen | 2025-07-29 |
| D1079456 | Screw head | E. Erik Timothy, Chih-Hsien Shen | 2025-06-17 |
| D986728 | Fastener | Chih-Hong Lu | 2023-05-23 |
| D986045 | Fastener | Chih-Hong Lu | 2023-05-16 |