Box fan

Details Box fan Box fan

1997-02-13

1999-03-30

Lichtenstein, Lisa

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

D23381, 2304

Patent

active

D04074785

REFERENCES:
patent: D182029 (1958-02-01), Kirk
patent: D369403 (1996-04-01), Reveal et al.
patent: 4724747 (1988-02-01), Sturm et al.

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