United States Patent 3299253
Inventors:
Lawson Jr., William H.
Publication Date:
01/17/1967
Other Classes:
219/543, 219/522, 119/526, 392/439, 119/508, 119/321
International Classes:
A61G11/00; H05B3/34; H05B3/86; H05B3/84
US Patent References:
| 2806118 | Control system for eliminating ice from a transparent windshield panel | | | |
| 2810055 | Windshield heater control device and system | | | |
| 2853997 | Infant warmer | | | |
| 3026400 | Electric appliance | | | |
| 3041436 | Transparent, electrically conductive enclosure | | | |
| 3103162 | Electric appliance | | | |
| 3225173 | Anti-frost apparatus for optical element | | | |