Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5824232 | Corrugated filter sheet configured into a cylindrical filter media having near circular concentric channels | John Hampton | 1998-10-20 |
| 5160442 | Method of cleaning a disposable cartridge filter | John Hampton | 1992-11-03 |