Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4715300 | Method of disposing of materials by dissolving in acid and then incinerating | Rocky C. Costello | 1987-12-29 |
| 4363367 | Large diameter drill bit | Malcolm D. Maxsted | 1982-12-14 |
| 4193464 | Replaceable shirttail | — | 1980-03-18 |