Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4465139 | Valve and sensing device for well conduits | Vincent F. Marquez, Jr., R. Edward Payne, Thomas L. Loveday | 1984-08-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4465139 | Valve and sensing device for well conduits | Vincent F. Marquez, Jr., R. Edward Payne, Thomas L. Loveday | 1984-08-14 |