Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4319410 | Dryer system for drilling mud cuttings | Joe K. Heilhecker | 1982-03-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4319410 | Dryer system for drilling mud cuttings | Joe K. Heilhecker | 1982-03-16 |