Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4624130 | Method for determining borehole or cavity configuration through inert gas interface | Donald Faul, Paul P. Broussard | 1986-11-25 |
| 4620439 | Method for determining borehole or cavity configuration through inert gas interface | Donald Faul, Paul P. Broussard | 1986-11-04 |
| 4523453 | Method for determining borehole or cavity configuration through inert gas interface | Donald Faul, Paul P. Broussard | 1985-06-18 |
| 4455869 | Method for determining borehole or cavity configuration through inert gas interface | Paul P. Broussard, Donald Faul | 1984-06-26 |
| 4420942 | Nitrogen liquid to gas converter employing water heat exchangers | Warren E. Davis | 1983-12-20 |
| 4290271 | Nitrogen liquid to gas converter | — | 1981-09-22 |