Air purifier

Details Air purifier Air purifier

1993-08-20

1994-08-09

Lichtenstein, Lisa P.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

D23356

Patent

active

D03495663

REFERENCES:
patent: D291485 (1987-08-01), Norman et al.
patent: D330074 (1992-10-01), Wang et al.
patent: D343677 (1994-01-01), Gyori et al.

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