Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10518691 | Low profile sump and high efficiency suction | F. Joseph Lingel, Andrew Lingel, Stanley J. Wojnowski | 2019-12-31 |
| 4530822 | Gas/liquid contact processes | Roy A. Greaves | 1985-07-23 |
| 4501722 | Absorption of pollutant material from a polluted gas | Paul D. Hemphill, Charles C. Leivo | 1985-02-26 |