Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4989642 | Throttling valve | Harold H. Hopkinson, Caldwell Jones, John D. Moeller, Gabriel Silva | 1991-02-05 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4989642 | Throttling valve | Harold H. Hopkinson, Caldwell Jones, John D. Moeller, Gabriel Silva | 1991-02-05 |