Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5666828 | Cryogenic hybrid system for producing low purity oxygen and high purity oxygen | Henry Edward Howard, Dante Patrick Bonaquist | 1997-09-16 |
| 5303556 | Single column cryogenic rectification system for producing nitrogen gas at elevated pressure and high purity | James R. Dray, Mark Julian Roberts, Dante Patrick Bonaquist, Harry Cheung, James Brian Mize +1 more | 1994-04-19 |