Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4779450 | Method and apparatus for installing a fluid probe | David Kempf | 1988-10-25 |
| 4765178 | Hydrocarbon probe | David Kempf, Brian Lee Chandler | 1988-08-23 |
| 4721950 | Fluid detector | Raymond J. Andrejasich, Roy F. Kidd | 1988-01-26 |