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`UNITED STATES PATENT AND TRADEMARK OFFIGE
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`UNITED STATES DEPARTMENT OF COMMERCE
`United States Patent and Trademark Office
`)
`OX. 450
`Address: COMMISSIONER FOR PATENTS
`Alexandria, Virginia 22313-1450
`www.uspto.gov
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`13/303,417
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`11/23/2011
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`MarcosC. Tzannes
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`X63325
`CONFIRMATION NO. 3035
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`7055
`GREENBLUM & BERNSTEIN, P.L.C.
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`1950 ROLAND CLARKE PLACE
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`RESTON, VA 20191
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`POA ACCEPTANCE LETTER
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`OCTA00000012619085
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`Date Mailed: 06/11/2021
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`NOTICE OF ACCEPTANCE OF POWEROF ATTORNEY
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`This is in response to the Power of Attorneyfiled 06/02/2021.
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`The Power of Attorney in this application is accepted. Correspondencein this application will be mailed to the
`above address as provided by 37 CFR 1.33.
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`Questions about the contents of this notice and the
`requirements it sets forth should be directed to the Office
`of Data Management, Application Assistance Unit,at
`(571) 272-4000 or (571) 272-4200 or 1-888-786-0101.
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`/mbeyene/
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