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http://www.google.co.uk/patents/USD579721?utm_source=gb-gplus-share
Patent USD579721 - Sippy cup
Sippy cup
Lihua Qian
Overview
Abstract
Drawings
Description
Claims
Patent number
: D579721
Filing date
: 21 May 2007
Issue date
: 4 Nov 2008
Application number
: 29/280,228
Plain text
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