Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8408014 | Variable phase shift devices for pulse tube coolers | Sidney W. K. Yuan | 2013-04-02 |
| 8397520 | Phase shift devices for pulse tube coolers | Sidney W. K. Yuan, Ed Fong | 2013-03-19 |