Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11166444 | Movable center-of-gravity tube and fishing lure having same built in | Koichi Ito | 2021-11-09 |
| 10935074 | Linear bearing and linear bearing with housing | Hailian Yin | 2021-03-02 |