Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6758980 | Liquid filter with separate and calibrated vapor release | Ted Franklin Prater, Zemin Jiang, John Scheuren, John W. Clevenger, Jr. | 2004-07-06 |
| 6709575 | Extended life combination filter | Peter K. Herman | 2004-03-23 |