Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6745636 | Pipette with improved pipette tip and mounting shaft | James S. Petrek | 2004-06-08 |
| 6737023 | Pipette with improved pipette tip mounting shaft | Christopher Kelly, James S. Petrek, Steven T. Nielsen | 2004-05-18 |