Air filter having fan incorporated therein

Details Air filter having fan incorporated therein Air filter having fan incorporated therein

1995-05-08

1997-01-14

Lucas, Susan J.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Combined heating and cooling or with diverse element

D23365, D23381, D23370

Patent

active

D03773906

REFERENCES:
patent: D207360 (1967-04-01), Rawson, Jr.
patent: D282102 (1986-01-01), Yuen
patent: D310713 (1990-09-01), Klein
patent: D325432 (1992-04-01), Cook
patent: 2968457 (1961-01-01), Krauss
patent: 3523409 (1970-08-01), Paterson
patent: 3577710 (1971-05-01), Feldman
patent: 4084491 (1978-04-01), Spotts et al.
patent: 4477272 (1984-10-01), Hollis et al.
Lakewood Catalogue, p. 6, model P-222, Group 2900 Ventilation boxes Oct. 1987.

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