Wind-powered ventilator

Details Wind-powered ventilator Wind-powered ventilator

2009-10-17

2010-06-29

Lichtenstein, Lisa P (Department: 2917)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

Design Patent

active

D0618781

CLAIM:
The ornamental design for a wind-powered ventilator, substantially as shown and described.

REFERENCES:
patent: 1100234 (1914-06-01), Ecker
patent: 3661070 (1972-05-01), Miller
patent: D247250 (1978-02-01), Miller

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