Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5203370 | Mounting apparatus with fugitive emission collection means for directly coupling a rotary valve to an actuator having rotary drive means | Gary W. Friedline | 1993-04-20 |
| 5104092 | Ball valve with improved sealing apparatus | Gary W. Friedline | 1992-04-14 |
| 4650157 | Angle ball valve | Ronald L. Sillaman | 1987-03-17 |