Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5983770 | Reseal with a partial perforation and method and apparatus for creating a partial perforation in a reseal | R. Hayes Helgren | 1999-11-16 |
| 5520666 | Valved intravenous fluid line connector | Hrishikesh Choudhury, R. Hayes Helgren | 1996-05-28 |