Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4508315 | Bidirectional valve seal | Carl F. Livorsi, Philip J. Dorrian, Lawrence F. Struzik | 1985-04-02 |
| 4261546 | Quarter-turn valve actuator | John M. Cory, Ronald A. Olansen | 1981-04-14 |