Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1983-07-07
1986-07-15
Kemper, Catherine E.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D23107
Patent
active
D02846918
REFERENCES:
patent: D182676 (1958-04-01), Lunkwicz
patent: D187121 (1960-01-01), Bourner
patent: D189075 (1960-10-01), Remy
patent: D198657 (1964-07-01), Hartzell
patent: D203908 (1966-02-01), Green
patent: D206740 (1967-01-01), Hoeffken
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