Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700632 | General method to quickly remove cryoprotectants from animal cells while maintaining viability | John K. Critser | 1997-12-23 |
| 5691133 | Method to quickly add cryoprotectants to sperm cells while maintaining viability | John K. Critser | 1997-11-25 |