Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870931 | Rocker arm having wear resistant scuffing resistant portion | Osamu Kawamura, Souichi Shimomura | 1989-10-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870931 | Rocker arm having wear resistant scuffing resistant portion | Osamu Kawamura, Souichi Shimomura | 1989-10-03 |