Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9936690 | Ultra-rapid tissue cryopreservation method and apparatus | — | 2018-04-10 |
| 6746517 | Filter structure with two or more layers of fine fiber having extended useful service life | Douglas G. Crofoot, Mark A. Gogins, Thomas M. Weik | 2004-06-08 |
| 5137551 | Extraction method and apparatus | Frederick W. Ahrens, James Loughran | 1992-08-11 |