Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4985181 | Centrifugal pump especially for aquariums | Alain Bertschy, Giacomo Guoli, Edmund J. Mowka, Jr. | 1991-01-15 |
| D309008 | Automatic aquarium heater | — | 1990-07-03 |
| 4812626 | Thermostatically controlled electric immersion heater for aquariums | — | 1989-03-14 |