Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6629418 | Two-stage inter-phasing pulse tube refrigerators with and without shared buffer volumes | Jin Lin Gao | 2003-10-07 |
| 6554103 | Fail-safe oil lubricated helium compressor unit with oil-free gas delivery | — | 2003-04-29 |