Dual window fan

Details Dual window fan Dual window fan

1994-06-20

1998-08-18

Lichtenstein, Lisa

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

D23353, D23370, 2304

Patent

active

D03972003

REFERENCES:
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patent: D345011 (1994-03-01), O'Grady
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patent: D350191 (1994-08-01), Tsuji
patent: 2729389 (1956-01-01), Koch
patent: 2733002 (1956-01-01), Huck
patent: 2789494 (1957-04-01), Goettl et al.
patent: 5110263 (1992-05-01), Chiu
patent: 5190496 (1993-03-01), Shih-Chin
patent: 5382136 (1995-01-01), Wang
Hong Kong Enterprise, Oct. 1993, p. 378.
Hong Kong Enterprise, Jun. 1992, p. 124.
Hong Kong Household, Sep. 1983, p. 57.
Lakewood USA Inc. Cat., .COPYRGT.1992, p. 10, Window Fans Aand B, upper left and bottom left sides of page, respectively.

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