Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5895574 | Rolled liquid filter using fluted media | Gary R. Gillingham, Bernard A. Matthys, Daniel T. Risch, Wayne M. Wagner, Fred H. Wahlquist | 1999-04-20 |
| 5814219 | Pleated filter having a planar sheet of randomly arranged filaments to maintain pleat spacing | Wayne M. Wagner, Daniel T. Risch | 1998-09-29 |
| 5342519 | Fluid filter cartridge with replaceable filter element | Wayne M. Wagner | 1994-08-30 |