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`UNITED STATES PATENT AND TRADEMARK OFFIGE
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`UNITTED STATES DEPARTMENT OF COMMERCE
`United States Patent and Trademark Office
`Address: COMMISSIONER FOR PATENTS
`Q. Box 1450
`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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`6936-47-CON-5
`CONFIRMATION NO. 3035
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`62574
`Jason H. Vick
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`Sheridan Ross, PC
`
`Suite # 1200
`1560 Broadway
`Denver, CO 80202
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`POWER OF ATTORNEY NOTICE
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`OCTA000000126 19082
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`Date Mailed: 06/11/2021
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`NOTICE REGARDING CHANGE 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`* The Power of Attorney to you in this application has been revoked by the assignee who hasintervened as
`provided by 37 CFR 3.71. Future correspondencewill be mailed to the new address of record(37 CFR 1.33).
`
`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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