Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6148146 | Water heater | Bobby L. Poore | 2000-11-14 |
| 4312413 | Drilling apparatus | — | 1982-01-26 |
| 4296820 | Drilling apparatus | — | 1981-10-27 |
| 4190119 | Earth drilling apparatus | Norlin O. Lewis | 1980-02-26 |