Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7527237 | Valve actuation velocity control device | James E. Luzader | 2009-05-05 |
| 7025327 | Valve actuation velocity control device | James E. Luzader | 2006-04-11 |
| 5080423 | Segmented cover system | Vincent J. Merlot, Jr. | 1992-01-14 |
| 4460009 | Valve stem actuator | James W. MacGregor | 1984-07-17 |