Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1997-04-09
1998-04-21
Lichtenstein, Lisa
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D23393, 2303
Patent
active
D03937089
REFERENCES:
patent: D315790 (1991-03-01), Koessler
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