Electric heating – Heating devices – With heating unit structure
Patent
1989-05-26
1991-02-05
Envall, Jr., Roy N.
Electric heating
Heating devices
With heating unit structure
219549, H05B 338
Patent
active
049907557
ABSTRACT:
A heatable sheet assembly comprises a sheet to be electrically heated, electrically conductive metal foils applied to both surfaces of the sheet and an electrical terminal attached to each of the metal foils.
REFERENCES:
patent: 4250397 (1981-02-01), Gray
patent: 4301356 (1981-11-01), Tanei
patent: 4616125 (1986-10-01), Oppitz
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