Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D403740 | Filter | Leonard B. Kott | 1999-01-05 |
| 5211846 | Replacement filter cartridge assembly | Leonard B. Kott | 1993-05-18 |
| D306640 | Liquid filter cartridge for swimming pools or the like | — | 1990-03-13 |