Electric fan

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment

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D02949687

REFERENCES:
patent: D159692 (1950-08-01), Steinhart
patent: D167740 (1952-09-01), Corwin
patent: D221077 (1971-07-01), Stut
patent: D240231 (1976-06-01), Patton
patent: D270941 (1983-10-01), Lin
Sears Spring/Summer catalogue, 1980, p. 1200, #3, 9 Inch Oscillating Fan.
Hitachi Advertisement, Hardware Age, Mar. 1974, p. 26, #4, fan.

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