Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5749605 | Electrically insulative threaded connection | John T. Hampton, III, William Trainor | 1998-05-12 |
| 5576703 | Method and apparatus for communicating signals from within an encased borehole | Norman C. MacLeod, Roger N. Samdahl | 1996-11-19 |
| 5243190 | Radioactive tracing with particles | Donna A. Read, Edward S. Wallace | 1993-09-07 |
| 5182051 | Raioactive tracing with particles | Donna A. Read, Edward S. Wallace | 1993-01-26 |