Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4807403 | Rotating barrel finishing method under heavy resultant force | Hisamine Kobayashi | 1989-02-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4807403 | Rotating barrel finishing method under heavy resultant force | Hisamine Kobayashi | 1989-02-28 |