Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11473793 | Non-powered vent | — | 2022-10-18 |
| 8303385 | Stationary ventilating device | — | 2012-11-06 |
| 6359567 | Adapter automatically controlling power supply for air conditioning apparatus by sensor | — | 2002-03-19 |
| 6190251 | Ventilator for easy assembly and improved exhaust of indoor air | — | 2001-02-20 |