Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1979-07-09
1982-05-11
Kemper, Catherine E.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2303
Patent
active
D02643740
REFERENCES:
patent: D164613 (1951-09-01), Wahlberg et al.
patent: D201165 (1965-05-01), Briggs
patent: D256273 (1980-08-01), Townsend et al.
Briggs Eugene C.
Giambrone Harry J.
Shaftner Robert F.
Bloom Jerome P.
Kemper Catherine E.
Koehring Company
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