Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4510375 | Electric immersion heater assembly for liquid heating appliances | Alan Warren | 1985-04-09 |
| 4430556 | Electric liquid heating appliance | Alan Warren | 1984-02-07 |
| 4418270 | Electric liquid heating appliance | Alan Warren | 1983-11-29 |