`Patent: RE45415
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`UNITED STATES PATENT AND TRADEMARK OFFICE
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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`TENNANT COMPANY,
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`Petitioner,
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`V.
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`OXYGENATOR WATER TECHNOLOGIES,INC.,
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`Patent Owner.
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`Case IPR2021-00625
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`Patent RE45415
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`PATENT OWNER OXYGENATOR WATER TECHNOLOGIES, INC.’S UPDATED
`POWER OF ATTORNEY PURSUANTTO 37 C.F.R. § 42.10(b)
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`IPR2021-00625
`Patent: RE45415
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`Pursuant to 37 C.F.R. § 42.10(b), Patent Owner, Oxygenator Water Technologies, Inc.
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`(“OWT”), hereby appoints the following attorneys to represent Patent Ownerin the above-
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`captioned inter partes review proceeding andto transact all business in the Patent Trial and
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`Appeal Board of the United States Patent and Trademark Office connected therewith:
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`J. Derek Vandenburgh, Reg. No. 32,179
`Carlson, Caspers, Vandenburgh, & Lindquist, P.A.
`Capella Tower, Suite 4200
`225 South Sixth Street
`Minneapolis, MN 55402
`Email: dvandenburgh@carlsoncaspers.com
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`Aaron W. Pederson, Reg. No. 58,607
`Carlson, Caspers, Vandenburgh, & Lindquist, P.A.
`Capella Tower, Suite 4200
`225 South Sixth Street
`Minneapolis, MN 55402
`Email: OWT@carlsoncaspers.com
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`Nathan D. Louwagie, Reg. No. 70,075
`Carlson, Caspers, Vandenburgh, & Lindquist, P.A.
`Capella Tower, Suite 4200
`225 South Sixth Street
`Minneapolis, MN 55402
`Email: nlouwagie@carlsoncaspers.com
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`Todd S. Werner (admitted pro hac vice)
`Carlson, Caspers, Vandenburgh, & Lindquist, P.A.
`Capella Tower, Suite 4200
`225 South Sixth Street
`Minneapolis, MN 55402
`Email: twerner@carlsoncaspers.com
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`TPR2021-00625
`Patent: RE45415
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`Executed by the undersigned with the authority of Patent Owner Oxygenator Water
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`Technologies, Inc.
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`For:__Oxygenator Water Technologies, Inc.
`Signature:
`By: Marit A. Ke feos
`Title: eae
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`Date:
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`ae
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`—
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`@,
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