Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1981-12-29
1984-05-15
Kemper, Catherine E.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D23110, D23112, D23113
Patent
active
D02738910
REFERENCES:
patent: D198556 (1964-06-01), Miller et al.
patent: D235066 (1975-05-01), Rasmussen
patent: 2002763 (1935-05-01), Bair
patent: 3311163 (1967-03-01), Owen
patent: 3763929 (1973-10-01), Wenig
patent: 3780797 (1973-12-01), Gebelius
patent: 4227068 (1980-10-01), Carter
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