Portable electric fan

Details Portable electric fan Portable electric fan

1999-03-18

2000-03-28

Lichtenstein, Lisa

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

D23381, 2304

Patent

active

D04220730

REFERENCES:
patent: D276550 (1984-11-01), Kouno et al.
patent: D306903 (1990-03-01), Shin-Chin
patent: D323708 (1992-02-01), Wang
patent: D339859 (1993-09-01), Cheslock
patent: D346019 (1994-04-01), Cheslock et al.
patent: D354558 (1995-01-01), Marvin et al.
patent: D358639 (1995-05-01), Chiu
patent: D359116 (1995-06-01), Marvin et al.
patent: D374071 (1996-09-01), Wang et al.
patent: D405520 (1999-02-01), Birdsell et al.
patent: 2100923 (1937-11-01), Schmidt et al.
patent: 5295811 (1994-03-01), Chiu
1994 Duracraft catalog sheet for DT-20 fan.
1994 Duracraft catalog sheet for DF-1820 fan.

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