Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834152 | Storage receptacle sealing and transfer apparatus | David C. Howson, Robert E. Havranek, John A. Popken | 1989-05-30 |
| 4666429 | Infusion device having improved valving apparatus | — | 1987-05-19 |
| 4256140 | Two-piece hot runner manifold | Nareshwar Swaroop | 1981-03-17 |