Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5593135 | Precise throttling ball valve | Leo M. Lester | 1997-01-14 |
| 5312085 | Control valve | Ikuo Yokoyama | 1994-05-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5593135 | Precise throttling ball valve | Leo M. Lester | 1997-01-14 |
| 5312085 | Control valve | Ikuo Yokoyama | 1994-05-17 |