Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6818889 | Laminated lens for focusing ions from atmospheric pressure | Edward William Sheehan | 2004-11-16 |
| 6784424 | Apparatus and method for focusing and selecting ions and charged particles at or near atmospheric pressure | Edward William Sheehan | 2004-08-31 |
| 6781117 | Efficient direct current collision and reaction cell | Edward William Sheehan | 2004-08-24 |
| 6744041 | Apparatus and method for focusing ions and charged particles at atmospheric pressure | Edward William Sheehan | 2004-06-01 |