Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698799 | Zone isolator module for use on a penetrometer | Daniel A. Leavell, Philip G. Malone | 1997-12-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698799 | Zone isolator module for use on a penetrometer | Daniel A. Leavell, Philip G. Malone | 1997-12-16 |