Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4585021 | Gas flow rate control regulator valve | — | 1986-04-29 |
| 4340180 | Nozzle mixing line burner | William P. Coppin | 1982-07-20 |
| 4302178 | Variable pressure valve | William P. Coppin | 1981-11-24 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4585021 | Gas flow rate control regulator valve | — | 1986-04-29 |
| 4340180 | Nozzle mixing line burner | William P. Coppin | 1982-07-20 |
| 4302178 | Variable pressure valve | William P. Coppin | 1981-11-24 |