Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856388 | Adjustable length extension | — | 1989-08-15 |
| 4839516 | Method for quantitative analysis of core samples | Mark G. Rockley, Donald G. Harville | 1989-06-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856388 | Adjustable length extension | — | 1989-08-15 |
| 4839516 | Method for quantitative analysis of core samples | Mark G. Rockley, Donald G. Harville | 1989-06-13 |