Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1978-09-12
1980-09-30
Kemper, Catherine E.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2303
Patent
active
D02571722
REFERENCES:
patent: D235447 (1975-06-01), Lever
patent: D236620 (1975-09-01), Conti
patent: D238784 (1976-02-01), Wescott
patent: D250718 (1979-01-01), Koster
Aksjeselskapet Jotul
Kemper Catherine E.
Thompson Irvin S.
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