twang104
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- Aug 31, 2014
Hi all, noob here. I have 2 pairs of 2012 IV black/cement grey-fire red (308497-089). My understanding is that the earlier date represents patented date and the later date is manufactured date. My 1st pair is dated 5/9/12 & 7/19/12. 2nd pair dated 6/12/12 & 7/13/12. If these are the same models (308497-089), shouldn't the patented date be the same?