Electric heating – Heating devices – Combined with diverse-type art device
Patent
1999-12-07
2000-09-26
Walberg, Teresa
Electric heating
Heating devices
Combined with diverse-type art device
252 70, H05B 100, C09K 3118
Patent
active
061245712
ABSTRACT:
A method is provided for heating the surface of a material such as a floor, wall, roof, or countertop. The method comprises providing a laminated heater element, disposing the heater element at a predetermined depth in the material and energizing the element at prescribed intervals and temperatures which are effective to heat the surface of the material.
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Hastings Otis H.
Miller Charles G.
Rolls John A.
Robinson Daniel
Walberg Teresa
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