Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4556103 | Heat exchange apparatus with blower and helical conduit system | Ryusuke Kamanaka, Toshio Nihei | 1985-12-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4556103 | Heat exchange apparatus with blower and helical conduit system | Ryusuke Kamanaka, Toshio Nihei | 1985-12-03 |