Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701763 | Cryogenic hybrid system for producing low purity oxygen and high purity nitrogen | Dante Patrick Bonaquist | 1997-12-30 |
| 5666828 | Cryogenic hybrid system for producing low purity oxygen and high purity oxygen | Dante Patrick Bonaquist, Paul Louis Just | 1997-09-16 |
| 5628207 | Cryogenic Rectification system for producing lower purity gaseous oxygen and high purity oxygen | Dante Patrick Bonaquist | 1997-05-13 |
| 5596886 | Cryogenic rectification system for producing gaseous oxygen and high purity nitrogen | — | 1997-01-28 |