Window fan

Details Window fan Window fan

1994-06-20

1996-11-12

Lichtenstein, Lisa P.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

D23351, D23370

Patent

active

D03755479

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Lakewood USA Inc. Cat. .COPYRGT.1992, p. 10, Window Fan A, Top Left Side of Page.
Hong Kong Enterprise Oct. 1993, p. 378, Fan BF-12, Bottom Right Side of Page.
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