Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4805435 | Method for producing aluminum drums having highly smooth surface | Minobu Sukimoto, Teruo Tachi | 1989-02-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4805435 | Method for producing aluminum drums having highly smooth surface | Minobu Sukimoto, Teruo Tachi | 1989-02-21 |