Room air filter

Details Room air filter Room air filter

1990-12-06

1992-08-25

Burke, Wallace R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

D26110

Patent

active

D03289460

REFERENCES:
patent: D105274 (1937-07-01), Fuerst
patent: D148226 (1947-12-01), Galehouse
patent: D257898 (1981-01-01), Schoze et al.
patent: D316459 (1991-04-01), Kira
patent: D319552 (1991-09-01), Christensen
patent: 3156383 (1964-11-01), Melli
patent: 3464546 (1969-09-01), Thomka
patent: 3853519 (1974-12-01), York, Jr.
patent: 4075106 (1978-02-01), Yamazaki
patent: 4178346 (1979-12-01), Allen et al.
patent: 4628970 (1986-12-01), Vasella
Sporty's Tool Shop Cat., .COPYRGT.1983, p. 39, Well Light Assembly, bottom right side of page.
Devine Design Adv. Cat., .COPYRGT.1986, p. 10, Light A, lower left side of page.

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