Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5339915 | Drilling apparatus, particularly wire line core drilling apparatus | Amos J. Watkins | 1994-08-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5339915 | Drilling apparatus, particularly wire line core drilling apparatus | Amos J. Watkins | 1994-08-23 |