Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5941852 | Trocar assembly | David A. Dunlap, Douglas J. Medema, Hugh Melling | 1999-08-24 |
| 5855566 | Trocar assembly | David A. Dunlap, Douglas J. Medema, Hugh Melling | 1999-01-05 |
| 5752938 | Seal for surgical instruments | Martin L. Flatland | 1998-05-19 |
| 5538509 | Trocar assembly | David A. Dunlap, Douglas J. Medema, Hugh Melling | 1996-07-23 |