Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7538318 | Condensation-induced gamma radiation as a method for the identification of condensable vapor | — | 2009-05-26 |
| 5357482 | Well inspection method | William C. Allen | 1994-10-18 |
| 5072388 | Lined casing inspection method | William C. Allen | 1991-12-10 |