Evaporative cooler

Details Evaporative cooler Evaporative cooler

1981-04-03

1983-09-20

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D2304

Patent

active

D02706610

REFERENCES:
patent: D213695 (1969-04-01), Soroos
patent: D227986 (1973-07-01), Schaffer
patent: D244294 (1977-05-01), Glasoe
patent: D256388 (1980-08-01), Harrell
patent: D258757 (1981-03-01), Jordan
patent: D259206 (1981-05-01), Parren
patent: 3742659 (1973-07-01), Drew
patent: 4026971 (1977-05-01), Glasoe
patent: 4043777 (1977-08-01), Parren
patent: 4132087 (1979-01-01), Goettl

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