Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6662379 | Toilet cleaning dispenser system with removable cartridge | Jack Nguyen, Dan Lodhe, Christopher Coppock, Troy Bell | 2003-12-16 |
| 6604249 | Advanced dual-flush valve | Joseph Han, John C. McKay, Tracy James Haggstrom | 2003-08-12 |
| D476057 | Dispenser and chemical cartridge combination | Jack Nguyen, Dan Lohde, Christopher Coppock, Troy Bell | 2003-06-17 |
| 6442772 | Advanced dual-flush valve | Joseph Han, John C. McKay, Tracy James Haggstrom | 2002-09-03 |
| 5551191 | Latching skimmer lid | — | 1996-09-03 |