Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1997-02-28
1998-07-14
Lichtenstein, Lisa
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D23405, 0708
Patent
active
D03960013
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Lichtenstein Lisa
Litman Richard C.
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