Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1978-05-01
1980-09-23
Kemper, Catherine E.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2303
Patent
active
D02570599
REFERENCES:
patent: D246254 (1977-11-01), Schade
patent: D248043 (1978-05-01), Schade
Home Furnishings Daily-Jul. 5, 1961-Sec. 2, p. 29, Dominion Heater Model 1535.
Firma Petz Electro
Kemper Catherine E.
Rosetta Leo A.
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