Refrigeration – Using electrical or magnetic effect – Thermoelectric; e.g. – peltier effect
Patent
1976-07-26
1978-05-30
King, Lloyd L.
Refrigeration
Using electrical or magnetic effect
Thermoelectric; e.g., peltier effect
165 48, 32 40A, F25B 2102, F25B 2900, B26B 2124
Patent
active
040921387
ABSTRACT:
This invention relates to a dental desk unit, having a cold plate for keeping amalgam and like material cold and to delay set-up thereof, and a hot section, having a hot plate to keep instruments or other materials at or near body temperature, and a plurality of wells to keep novocaine (procaine or procaine hydrochloride) and the like at or near body temperature.
REFERENCES:
patent: 2973627 (1961-03-01), Lackey et al.
patent: 3230723 (1966-01-01), Korn
patent: 3234595 (1966-02-01), Weichselbaum et al.
patent: 3308633 (1967-03-01), Kritzer, Jr.
patent: 3314242 (1967-04-01), Lefferts
patent: 3402561 (1968-09-01), Mahoney
patent: 3481154 (1969-12-01), Johnson
patent: 3712072 (1973-01-01), Hoge et al.
patent: 3858106 (1974-12-01), Launius
Bipol Ltd.
Hueschen Gordon W.
King Lloyd L.
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