Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Patent
1984-10-16
1986-11-25
Goldberg, E. A.
Electric heating
Heating devices
Combined with container, enclosure, or support for material...
126390, 126246, 219387, 219439, 219540, 219530, H05B 368
Patent
active
046250980
ABSTRACT:
Improved cookware is disclosed having non-ferrous metal sidewalls and a natural stone bottom central portion. The non-ferrous metal sidewalls preferably are formed of an aluminum alloy having a coefficient of thermal expansion substantially equal to the coefficient of thermal expansion of the natural stone bottom. The natural stone bottom preferably comprises an ironrich amphibole rock, and in the particularly preferred embodiment comprises hornblende.
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"Stone Cooking", Philadelphia Inquirer, Jun. 2, 1985.
Goldberg E. A.
Walberg Teresa J.
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