Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D420093 | Water filter cartridge | Kevin Hayes, John Wadsworth, Alexis Limberakis, Katie Cowan | 2000-02-01 |
| D405157 | Water filter cartridge | Kevin Hayes, John Wadsworth, Alexis Limberakis, Katie Cowan | 1999-02-02 |
| D398703 | Faucet mounted water treatment apparatus | Kevin Hayes, John Wadsworth, Alexis Limberakis, Katie Cowan | 1998-09-22 |
| D398369 | Faucet mounted water treatment device | Kevin Hayes, John Wadsworth, Alexis Limberakis, Katie Cowan | 1998-09-15 |