Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6151901 | Miniature mixed gas refrigeration system | John D. Dobak, III, Ray Radebaugh, Eric D. Marquardt | 2000-11-28 |
| 5956958 | Gas mixture for cryogenic applications | John D. Dobak, III, Ray Radebaugh, Eric D. Marquardt | 1999-09-28 |
| 5787715 | Mixed gas refrigeration method | John D. Dobak, III, Ray Radebaugh, Eric D. Marquardt | 1998-08-04 |