Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6840074 | Pipe and heat exchanger, pipe manufacturing device, and pipe manufacturing method | Tojo Kamino | 2005-01-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6840074 | Pipe and heat exchanger, pipe manufacturing device, and pipe manufacturing method | Tojo Kamino | 2005-01-11 |