Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7731886 | Method of manufacturing a filter cartridge | Josef Winter | 2010-06-08 |
| 7066338 | Filter element with anti-tracking ribs | Josef Winter | 2006-06-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7731886 | Method of manufacturing a filter cartridge | Josef Winter | 2010-06-08 |
| 7066338 | Filter element with anti-tracking ribs | Josef Winter | 2006-06-27 |