Air purifier

Details Air purifier Air purifier

1985-03-11

1987-08-18

Burke, Wallace R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

Patent

active

D02914840

REFERENCES:
patent: D215719 (1969-10-01), Julkenbeck
patent: D258759 (1981-03-01), Johnson
patent: D274837 (1984-07-01), Lynch et al.
patent: D279215 (1985-06-01), Manjo et al.
patent: D281618 (1985-12-01), Grube

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