Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4995754 | Ball-and-socket joint | — | 1991-02-26 |
| 4342213 | Closed chamber extrusion method and apparatus for shaping of metal rod into tulip-shaped part | Hajime Koshimaru | 1982-08-03 |