Portable air purifier

Details Portable air purifier Portable air purifier

1997-04-10

1998-05-12

Lichtenstein, Lisa

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

D23355, 2304

Patent

active

D03943119

REFERENCES:
patent: D310412 (1990-09-01), Fukumoto et al.
patent: D323210 (1992-01-01), Wortham
patent: D328637 (1992-08-01), Muller et al.
patent: D343677 (1994-01-01), Gyori et al.
patent: D344791 (1994-03-01), Cunning
patent: D349566 (1994-08-01), O'Grady
patent: D350191 (1994-08-01), Tsuji
patent: D375546 (1996-11-01), Lee
patent: D377523 (1997-01-01), Marvin et al.

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