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Delaware chemist John Spevacek admits he's the guy that ...
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May 04, · Delaware chemist John Spevacek admits he's the guy that made chip bags hard to open by: By Peter Farquhar; From: news.com.au; May 04, :14PM;
At least I didn't invent clamshell packaging: 'Chip guy ...
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May 08, · At least I didn't invent clamshell packaging: 'Chip guy' John Spevacek hits back by: By Claire Connelly and Peter Farquhar ; From: news.com.au;
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