Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4904228 | Universal ball joint | John S. Davis, Craig R. Hyland | 1990-02-27 |
| 4552232 | Drill-bit with full offset cutter bodies | — | 1985-11-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4904228 | Universal ball joint | John S. Davis, Craig R. Hyland | 1990-02-27 |
| 4552232 | Drill-bit with full offset cutter bodies | — | 1985-11-12 |