Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1980-06-09
1982-05-25
Kemper, Catherine E.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2303
Patent
active
D02646218
REFERENCES:
patent: 4015581 (1977-04-01), Martenson
Charles Becker Associates, Inc.
Kemper Catherine E.
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