Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1980-06-23
1982-07-06
Kemper, Catherine E.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D30 42, D 6128, D 6132, D 6123, D2304
Patent
active
D02653400
REFERENCES:
patent: D170616 (1953-10-01), Yarger
patent: D254391 (1980-03-01), Montecalvo
patent: D254803 (1980-04-01), Rusth et al.
patent: D257485 (1980-11-01), Montecalvo
patent: 4184415 (1980-01-01), Nicholson
patent: 4185545 (1980-01-01), Rusth et al.
Housewares-Jan. 1977-p. 124-Heatrecycler.
Housewares-Jan. 1978-p. 67-Heat Inverter.
Kemper Catherine E.
Lojacono Francis X.
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