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How could a patent have been issued for a composite knife blade?
Turns out there's a US 2008/0250656 A1 patent for a composite knife blade - a knife blade made of two pieces - one containing the area near cutting edge and the other containing the rest of the blade ...
Jan 17 '13 at 10:57
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Composite knife blade
Oct 16, 2008
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Apr 12, 2007
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