Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1998-11-16
1999-11-02
Lichtenstein, Lisa
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
D23381, D23382, 2304
Patent
active
D04160819
REFERENCES:
patent: D355483 (1995-02-01), Litvin et al.
patent: 3787142 (1974-01-01), Dupke
patent: 5613833 (1997-03-01), Wolfe et al.
Lichtenstein Lisa
Sheng Yow Electric Industrial Co., Ltd.
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