Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10556331 | Impact device for an electric nail gun | — | 2020-02-11 |
| 10549413 | Return device | Cheng-En Tsai | 2020-02-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10556331 | Impact device for an electric nail gun | — | 2020-02-11 |
| 10549413 | Return device | Cheng-En Tsai | 2020-02-04 |