Air filter

Details Air filter Air filter

1997-08-06

1998-06-30

Lichtenstein, Lisa

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

D23364, 2304

Patent

active

D03957055

REFERENCES:
patent: D323210 (1992-01-01), Wortham
patent: D328637 (1992-08-01), Muller et al.
patent: D342568 (1993-12-01), Rose
patent: D350191 (1994-08-01), Tsuji
patent: D371192 (1996-06-01), Putro

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