Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1982-09-13
1985-01-15
Kemper, Catherine E.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D02772256
REFERENCES:
patent: 4112915 (1978-09-01), Slavik
patent: 4129113 (1978-12-01), Bergstrom
patent: 4166444 (1979-09-01), Martenson
patent: 4219005 (1980-08-01), Boahn
patent: 4240401 (1980-12-01), Chesnut et al.
patent: 4282855 (1981-08-01), Perry
patent: 4297986 (1981-11-01), Lehrer
Kemper Catherine E.
O'Brien Anthony A.
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