Portable fan

Details Portable fan Portable fan

1983-02-28

1985-11-05

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

Patent

active

D02812762

REFERENCES:
patent: D167759 (1952-09-01), McFarland
patent: D181318 (1957-10-01), Schreckengost
patent: D182029 (1958-02-01), Kirk
patent: D182931 (1958-05-01), Schreckengost
patent: D253965 (1980-01-01), Ehrentraut-Jones
patent: D254566 (1980-03-01), Cummins
patent: D254567 (1980-03-01), Wagner
patent: D271133 (1983-10-01), Pataki
patent: 2950859 (1960-08-01), Kirk
patent: 2961152 (1960-11-01), Douglas et al.
patent: 2968457 (1961-01-01), Krauss
patent: 4120615 (1978-10-01), Keem et al.
patent: 4350472 (1982-09-01), Morimoto

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