Air purifier

Details Air purifier Air purifier

1982-11-29

1984-07-24

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

Patent

active

D02748371

REFERENCES:
patent: D196066 (1963-08-01), Stolarz
patent: D201721 (1965-07-01), Katzman et al.
patent: D205648 (1966-08-01), Katzman et al.
patent: D221763 (1971-09-01), Gilbertson
patent: D235547 (1975-06-01), Schimanski
patent: D267114 (1982-11-01), Lynch, Jr. et al.
patent: 3861894 (1975-01-01), Marsh
patent: 4148618 (1979-04-01), Christenson et al.
patent: 4272261 (1981-06-01), Lynch, Jr. et al.
patent: 4344776 (1982-08-01), Yarnieli
patent: 4377399 (1983-03-01), Bryson

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