Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4335188 | Laminates | Ishii Masao | 1982-06-15 |
| 4330459 | Method of manufacturing foundry sand molds | Hideo Takahashi, Hisashi Ogawara, Haruo Nakayasu | 1982-05-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4335188 | Laminates | Ishii Masao | 1982-06-15 |
| 4330459 | Method of manufacturing foundry sand molds | Hideo Takahashi, Hisashi Ogawara, Haruo Nakayasu | 1982-05-18 |