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`PTO/SB/81A (12-08)
`Approved for use through 11/30/2011. OMB 0651-0035
`U.S. Patant and Tradamark Office; U.S. DEFARTMENT OF COMMERCE
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`| hereby revoke all previous powers of attorney given in the above-identified patent.
`[J A Powerof Attorney is submitted herewith,
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`1103461
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`Patent Number|8,418,432
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`rissueDate|4/16/2013.SS
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`First Named Inentor|KennethE.Shaun|
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`REVOCATION OF POWER OF ATTORNEY
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`CHANGE OF CORRESPONDENCE ADDRESS
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`| hereby appoint Practitioner(s) associated with the following Customer Number as my/our
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`Statement under 37 CFR 3.73(b) (Form PTO/SB/96) submitted herewith orfiled on
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`SIGNATUREofInve;Ator or Patent Owner
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`Signature|—<OBoar,FSoug)[owe |a3Josa
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`[Name|x€meinsnows7—~S~*dCeprone1eG2MO
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