Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4494288 | Method of production of cross-fin type heat exchanger | Takemi Naito | 1985-01-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4494288 | Method of production of cross-fin type heat exchanger | Takemi Naito | 1985-01-22 |