Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806040 | Ceramic ball and socket joint | Shigeo Suzuki, Yasuo Sakata | 1989-02-21 |
| 4794894 | Ceramic tipped pivot rod and method for its manufacture | — | 1989-01-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806040 | Ceramic ball and socket joint | Shigeo Suzuki, Yasuo Sakata | 1989-02-21 |
| 4794894 | Ceramic tipped pivot rod and method for its manufacture | — | 1989-01-03 |