Portable fan housing

Details Portable fan housing Portable fan housing

1982-03-04

1983-10-25

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D2304

Patent

active

D02711338

REFERENCES:
patent: D180783 (1957-08-01), Helms et al.
patent: D181318 (1957-10-01), Schreckengost
patent: D182029 (1958-02-01), Kirk
patent: D205168 (1966-06-01), Schreckengost
patent: D207360 (1967-04-01), Rawson, Jr.
patent: D253965 (1980-01-01), Ehrentraut-Jones
patent: D254566 (1980-03-01), Cummins
patent: 2950859 (1960-08-01), Kirk
patent: 4120615 (1978-10-01), Koem et al.
patent: 4350472 (1982-09-01), Morimoto

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