Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4527629 | Pressure differential circulating valve | James B. Poque | 1985-07-09 |
| 4257484 | Pressure differential circulating valve | James B. Pogue | 1981-03-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4527629 | Pressure differential circulating valve | James B. Poque | 1985-07-09 |
| 4257484 | Pressure differential circulating valve | James B. Pogue | 1981-03-24 |