Ventilating fan

Details Ventilating fan Ventilating fan

1997-07-29

1999-01-12

Lichtenstein, Lisa

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

D23371, D23385, 2304

Patent

active

D04041224

REFERENCES:
patent: D340514 (1993-10-01), Liao
patent: 2828682 (1958-04-01), Marker
patent: 5620370 (1997-04-01), Umai et al.

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