Humidifier for a hot air furnace or the like

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified

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D2304

Patent

active

D02614219

REFERENCES:
patent: D253845 (1980-01-01), Morrow
patent: D253846 (1980-01-01), Morrow
patent: 3171401 (1965-03-01), McDuffee
patent: 3334877 (1967-08-01), Payno
patent: 3431903 (1969-03-01), Irwin
patent: 3450124 (1969-06-01), Mauller, Jr.
patent: 3599942 (1971-08-01), Herr
patent: 3689037 (1972-09-01), Payne
patent: 3739767 (1973-06-01), Peters
Domestic Engineering, Jun. 1963, p. 134, "Lennox Industries" item.

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