Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4376450 | Valve position monitor and control system | Robert W. Fayfield | 1983-03-15 |
| 4369401 | Valve position monitor and control system | Robert W. Fayfield | 1983-01-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4376450 | Valve position monitor and control system | Robert W. Fayfield | 1983-03-15 |
| 4369401 | Valve position monitor and control system | Robert W. Fayfield | 1983-01-18 |