Combined window and floor fan

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

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416246

Patent

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D03073203

REFERENCES:
patent: D164139 (1951-07-01), Sebastian
patent: 2487294 (1949-11-01), Belter
patent: 2857095 (1958-10-01), Suarez Grau
patent: 2862657 (1958-12-01), Copeland et al.
patent: 2961152 (1960-11-01), Douglas et al.
patent: 4222318 (1980-09-01), Patton et al.
patent: 4341151 (1982-07-01), Sakamoto
Lakewood Fan Catalogue, p. 9, Deluxe High Velocity Reversible Window Fan, middle of page.

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