Exhaust vent cover

Details Exhaust vent cover Exhaust vent cover

1997-02-06

1998-02-17

Lichtenstein, Lisa

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D23371, D23381, 2304

Patent

active

D03909484

REFERENCES:
patent: 3204546 (1965-09-01), McCabe
patent: 3381601 (1968-05-01), McCabe
patent: 3456573 (1969-07-01), Painter
patent: 4081915 (1978-04-01), Materniak et al.
patent: 4214380 (1980-07-01), Meyer
patent: 4967490 (1990-11-01), Berger et al.
patent: 5046408 (1991-09-01), Eugenio
patent: 5383816 (1995-01-01), Marcello et al.
patent: 5547422 (1996-08-01), Seboldt
patent: 5568947 (1996-10-01), Paquette
patent: 5591080 (1997-01-01), Ward

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