Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1995-03-06
1997-09-02
Lichtenstein, Lisa
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D23381, 2304
Patent
active
D03832031
REFERENCES:
patent: D133051 (1942-07-01), Kruck
patent: D221077 (1971-07-01), Stut
patent: D270941 (1983-10-01), Lin
patent: D346653 (1994-05-01), Chiu et al.
Lichtenstein Lisa
Marino Francis
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