Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4904865 | Externally mounted radioactivity detector for MWD | James E. Meisner, Roger L. Tresler, Edward S. Mumby | 1990-02-27 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4904865 | Externally mounted radioactivity detector for MWD | James E. Meisner, Roger L. Tresler, Edward S. Mumby | 1990-02-27 |