Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6212906 | Cryogenic reflux condenser system for producing oxygen-enriched air | Thomas John Bergman, Jr., John Fredric Billingham, Tu Cam Nguyen | 2001-04-10 |
| 6079223 | Cryogenic air separation system for producing moderate purity oxygen and moderate purity nitrogen | Vijayaraghavan Srinivasan, Minish Mahendra Shah, Michael James Lockett | 2000-06-27 |