Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5358057 | Modular device for collecting multiple fluid samples from soil using a cone penetrometer | John F. Peters, Daniel A. Leavell, Landris T. Lee, Philip G. Malone, Richard Peterson | 1994-10-25 |
| 5319959 | Air lubricated penetrometer rod system | Philip G. Malone, Gregory D. Comes | 1994-06-14 |
| 5309994 | Method and apparatus for installing a well | Donald H. Douglas, Philip G. Malone | 1994-05-10 |