Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7951108 | Dual chamber mixing syringe and method for use | Derek J. Harper, Charles L. Johnson | 2011-05-31 |
| 7470258 | Pre-filled safety vial injector | John Michael Barker, Thor R. Halseth, Robert T. McWethy, Bernardo Challiol | 2008-12-30 |
| 7004929 | Safety pre-filled cartridge injector | Robert T. McWethy, Bernardo Challiol, John Michael Barker | 2006-02-28 |
| 6981963 | Pre-filled safety diluent injector | John Michael Barker, Thor R. Halseth, Robert T. McWethy, Bernardo Challiol | 2006-01-03 |