Solar powered ventilator

Details Solar powered ventilator Solar powered ventilator

1983-04-27

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

D02812746

REFERENCES:
patent: D190144 (1961-04-01), Breidert
patent: D254567 (1980-03-01), Wagner
patent: D259951 (1981-07-01), Breidert
patent: D269456 (1983-06-01), McDermott
patent: D276647 (1984-12-01), Breidert
patent: 1509674 (1924-09-01), Koehler
patent: 2571513 (1951-10-01), Ammerman
patent: 2824507 (1958-02-01), Alldritt et al.
patent: 3078781 (1963-02-01), Jentoft
patent: 3472150 (1969-10-01), Strawsine
Heating & Air Conditioning Contractor, Mar. 1964, p. 71, Ventilators at left of page.
Mobile Home Recreation Vehicle Dealer, 12-20-70, p. 200.

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