Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5197192 | Method of making a fluid control valve | David A. Wylie, Richard C. Leveson, Paul Thomson | 1993-03-30 |
| 5083742 | Fluid control valve | David A. Wylie, Richard C. Leveson, Paul Thomson | 1992-01-28 |