Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6786875 | Medical device with shield having a retractable needle | John Michael Barker, Thor R. Halseth | 2004-09-07 |
| 6752798 | Retractable needle medical device for injecting fluid from a pre-filled cartridge | Robert T. McWethy, John Michael Barker, Thor R. Halseth | 2004-06-22 |