Electric heating element
United States Patent 2747070
US Patent References:
/0819654.html
- - 0819654

/1291423.html
- - 1291423

Flexible water heater
- - 1406360

Electric-range heating unit
- - 1715690

Electrical heating device
- - 1835602


Inventors:
Robert, Bargehr
Publication Date:
05/22/1956
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Assignee:
Robert, Bargehr
Primary Class:
219/540
Other Classes:
174/111, 219/550, 219/542
International Classes:
H05B3/68
US Patent References:
2121283Insulating member for electric heating elements
2489190Electric heating element
2498442Electrical heater and method of manufacturing it
2549944Electrical heating device