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Patent US6368227 – Method of swinging on a swing

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Patent US6368227 – Method of swinging on a swing

#1

Post by chrisdotcode » Mon, Oct 17, 2016, 5:19 PM UTC

Patent US6368227 – Method of swinging on a swing
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Re: Patent US6368227 – Method of swinging on a swing

#2

Post by chrisdotcode » Mon, Oct 17, 2016, 5:19 PM UTC

Previous discussion: https://news.ycombinator.com/item?id=4585175

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