Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6581433 | Method of manufacturing a metal pipe with an eccentrically expanded open end | Masato Otsuka | 2003-06-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6581433 | Method of manufacturing a metal pipe with an eccentrically expanded open end | Masato Otsuka | 2003-06-24 |