Room air cleaner

Details Room air cleaner Room air cleaner

1981-12-24

1984-02-14

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D2304

Patent

active

D02726467

REFERENCES:
patent: D235547 (1975-06-01), Schimanski
patent: D266585 (1982-10-01), Rakoey et al.
patent: D266586 (1982-10-01), Rakoey et al.
patent: D267114 (1982-11-01), Lynch et al.
patent: D269292 (1983-06-01), McGraw
patent: 4148618 (1979-04-01), Christenson et al.
patent: 4272261 (1981-06-01), Lynch et al.
patent: 4361427 (1982-11-01), Barnadas
patent: 4385911 (1983-05-01), Popeil et al.

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