Warming device
United States Patent 3299253

Inventors:
Lawson Jr., William H.
Publication Date:
01/17/1967
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Assignee:
SIERRACIN CORP
Primary Class:
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:
2806118Control system for eliminating ice from a transparent windshield panel
2810055Windshield heater control device and system
2853997Infant warmer
3026400Electric appliance
3041436Transparent, electrically conductive enclosure
3103162Electric appliance
3225173Anti-frost apparatus for optical element