Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Portable
Patent
1997-12-04
1998-12-15
Lichtenstein, Lisa
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Portable
D23332, 2304
Patent
active
D04027418
REFERENCES:
patent: D312302 (1990-11-01), Fan
patent: D313069 (1990-12-01), McCormick
patent: D382634 (1997-08-01), Jane' et al.
Lakewood Engineering & Manufacturing Co. Cat., p. 4, Heater A, top left side of page.
Lichtenstein Lisa
Yel Li Electrical Works Co., Ltd.
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