Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1978-08-08
1980-07-08
Kemper, Catherine E.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2303
Patent
active
D02558300
REFERENCES:
patent: D250833 (1979-01-01), Loftis et al.
patent: D251131 (1979-02-01), Jones
patent: 4015581 (1977-04-01), Martenson
Givnan, Jr. James D.
Kemper Catherine E.
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