Air purifier with illuminating outer ring

Details Air purifier with illuminating outer ring Air purifier with illuminating outer ring

1996-04-01

1997-11-11

Lichtenstein, Lisa

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

D12320, D21 87, D23365, D26 57, D26 97, 2304

Patent

active

D03862550

REFERENCES:
patent: D171512 (1954-02-01), Miller
patent: D343677 (1994-01-01), Gyori et al.
patent: 4580990 (1986-04-01), Avery
Playthings, Sep. 1978, p. 129, UFO A, bottom left side of page.

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