Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6712088 | Pilot-type channel valves providing counter-flow prevention | Syoichi Hagiwara, Takeshi Yamamoto | 2004-03-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6712088 | Pilot-type channel valves providing counter-flow prevention | Syoichi Hagiwara, Takeshi Yamamoto | 2004-03-30 |