Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6387309 | Method of manufacturing a press die made of concrete | Akihiko Kojima, Hiroshi Morita | 2002-05-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6387309 | Method of manufacturing a press die made of concrete | Akihiko Kojima, Hiroshi Morita | 2002-05-14 |