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This question already has an answer here:

In reference to the patent: US8047843

marked as duplicate by DonQuiKong, Robert Cartaino Jan 13 '17 at 17:13

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

  • +questions about products are off topic – DonQuiKong Jan 12 '17 at 15:42
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If you search for this patent number in the US Public Pair site, You can find a correspondence address which is:

QUARLES & BRADY LLP
Attn: IP Docket 
411 E. WISCONSIN AVENUE 
SUITE 2350 
MILWAUKEE WI 53202-4426

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