Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1978-07-25
1980-06-17
Kemper, Catherine E.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2303
Patent
active
D02554828
REFERENCES:
patent: 4111360 (1978-09-01), Barr
Ames Walter D.
Kemper Catherine E.
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