Ventilation apparatus

Details Ventilation apparatus Ventilation apparatus

2007-02-13

2007-02-13

Zarfas, Louis (Department: 2914)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

Design Patent

active

29235356

CLAIM:
The ornamental design for a ventilation apparatus, as shown and described.

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patent: D497420 (2004-10-01), Grey
patent: D508118 (2005-08-01), Motonishi et al.
patent: D521132 (2006-05-01), Blateri

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