Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7409834 | Helium process cycle | — | 2008-08-12 |
| 7278280 | Helium process cycle | — | 2007-10-09 |
| 5385026 | Apparatus for supporting a cryogenic fluid containment system within an enclosure | Burt Xudong Zhang, Kirk E. Stifle | 1995-01-31 |