Scented air filter

Details Scented air filter Scented air filter

1993-01-29

1994-02-15

Burke, Wallace R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

Patent

active

D03443272

REFERENCES:
patent: D258859 (1981-04-01), Gerow
patent: 3082481 (1963-03-01), Hinde
patent: 3293834 (1966-12-01), Donachiue
patent: 4037353 (1977-07-01), Hennart
patent: 4118226 (1978-10-01), Bourassa
patent: 4268282 (1981-05-01), MacKenzie
patent: 4737173 (1988-04-01), Kudirka
patent: 4875912 (1989-10-01), Fulmer
patent: 4904288 (1990-02-01), d'Augereau

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