Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6827764 | Molded filter element that contains thermally bonded staple fibers and electrically-charged microfibers | James E. Springett | 2004-12-07 |
| 6808551 | Method of using fluorinated electrets | Marvin E. Jones, Christopher S. Lyons, David B. Redmond, Jeffrey L. Solomon | 2004-10-26 |
| 6783574 | Electret filter media and filtering masks that contain electret filter media | Marvin E. Jones, Daniel E. Meyer | 2004-08-31 |