Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6830683 | Filter cartridge assembly with brine seal and retaining ring | Jeffrey J. Julich | 2004-12-14 |
| 6436282 | Flow control module for RO water treatment system | Michael J. Kurth, Michael D. Steinhardt | 2002-08-20 |
| 5891334 | Filter cartridge retaining assembly | Michael D. Steinhardt, Robert G. Schumacher, II | 1999-04-06 |