Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D425175 | Water filter cap | Eric Y. Park, David Thorpe | 2000-05-16 |
| D338705 | Water filter | — | 1993-08-24 |
| 5164085 | Water filter cartridge | R. David Webb | 1992-11-17 |
| D319288 | Water filter | — | 1991-08-20 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D425175 | Water filter cap | Eric Y. Park, David Thorpe | 2000-05-16 |
| D338705 | Water filter | — | 1993-08-24 |
| 5164085 | Water filter cartridge | R. David Webb | 1992-11-17 |
| D319288 | Water filter | — | 1991-08-20 |