Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6641742 | Liquid filter with separate and calibrated vapor release | Zemin Jiang, John Scheuren, John W. Clevenger, Jr., Barry M. Verdegan | 2003-11-04 |
| 6610198 | Liquid filter with change interval indicator | Zemin Jiang, John W. Clevenger, Jr., John Scheuren | 2003-08-26 |