Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1980-11-14
1983-03-22
Kemper, Catherine E.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D23 86, D23 87, D2303
Patent
active
D02683601
REFERENCES:
patent: D214165 (1969-05-01), Sesholtz
patent: 3842241 (1974-10-01), Isaacson et al.
patent: 4313048 (1982-01-01), Holbrook
Kemper Catherine E.
Rolf C. Hagen (USA) Corp.
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