Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8075482 | IRIS valve with control ring | Andrew T. Beckman, Anthony T. Nguyen, Chester O. Baxter, III, Michele D'Arcangelo | 2011-12-13 |
| 8070770 | Iris valve with novel locking mechanism | Andrew T. Beckman, Anthony T. Nguyen, Chester O. Baxter, III, Michele D'Arcangelo | 2011-12-06 |