Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5595065 | Closed cycle cryogenic refrigeration system with automatic variable flow area throttling device | Ralph C. Longsworth, Boris Yudin, Dennis Hill, Lawrence A. Klusmier, Ajay Khatri +1 more | 1997-01-21 |
| 5586437 | MRI cryostat cooled by open and closed cycle refrigeration systems | Leo Blecher, Ralph C. Longsworth, F. Scott Murray, Philip Alexander Jonas | 1996-12-24 |