Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4676268 | Plastic gate valve | — | 1987-06-30 |
| 4616804 | Gate valve | Hirotoshi Ogawa | 1986-10-14 |
| 4545565 | Diaphragm valve | Kazuhiko Tsuno | 1985-10-08 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4676268 | Plastic gate valve | — | 1987-06-30 |
| 4616804 | Gate valve | Hirotoshi Ogawa | 1986-10-14 |
| 4545565 | Diaphragm valve | Kazuhiko Tsuno | 1985-10-08 |