Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11039605 | Aquarium filter arrangement with control valve | William Nathan Brunner, William D. Himes | 2021-06-22 |
| 10974179 | Aquarium filter arrangement with vibration isolation | William D. Himes, William Nathan Brunner, Daniel Anderson Newman, Donald Barry Huehn | 2021-04-13 |