Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695987 | Reusable vented flask cap cover | John J. Kayal, John M. Janson | 1997-12-09 |
| 5652142 | Cell culture insert | I-Hsi Chu, Oresta N. Fedun, Tadeusz A. Tyndorf | 1997-07-29 |
| 5622865 | Reusable vented flask cap cover | John J. Kayal, John M. Janson | 1997-04-22 |
| 5595907 | Reusable vented flask cap cover | John J. Kayal, John M. Janson | 1997-01-21 |