Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6204623 | Heater, humidifier or fan including a circuit for controlling the output thereof | William Levy, Robert Sherwood | 2001-03-20 |
| 5708256 | Heating pad controller with variable duty cycle for temperature adjustment | James G. Montagnino, Ronald Lerner, Robert Sherwood | 1998-01-13 |