Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5199378 | Aquarium filtering system and method | William E. Kissick, Jr., Kevin R. McMahon | 1993-04-06 |
| 4921614 | Aquarium cleaning and filtering system and method | William E. Kissick, Jr., Kevin R. McMahon | 1990-05-01 |