`Patent: RE45415
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`UNITED STATES PATENT AND TRADEMARK OFFICE
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`____________
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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`____________
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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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`____________
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`Case IPR2021-00625
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`Patent RE45415
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`____________
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`PATENT OWNER OXYGENATOR WATER TECHNOLOGIES, INC.’S POWER OF
`ATTORNEY PURSUANT TO 37 C.F.R. § 42.10(b)
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`
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`IPRZOZ] -00625
`Patent: Iii-£4541 S
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`Pursuant to 37 CPR. § 42.1001)5 Patent Owner, Oxygenatnr Water Technnlngies, Inc.
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`(“CWT”), hereby appoints the following attorneys: to represent Patent Gamer in the above
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`captioned infer perms review pretending and :0 ENG all business in the Patent Trial and
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`Appeal Board oflhe United States Paienl and Tmfiemaxk Oiliee connected therewith:
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`5. Derek Vandenburgh, Reg. No. 32,179
`Carlson, Caspers, Vandenburgh, & Lindqm'st, RA.
`Cape-Ha Tower, Suite 4200
`2233 Seat: Riga: Sti'eet
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`Minneapolis, MN 55402
`Email: dvandenhurgh@cadsoncaspcrs.com
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`Aaron W. Pedersnn, Reg. No. 58,697
`Carlson, Campers, Vandenburgh, & Lindquist, RA.
`(.‘apcila ‘I'Uwer, Suite 42m)
`225 South Sixth Street
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`Minneapolis, MN 55402
`Email: 0WT@carlsoncaspers.com
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`Nathan D. Louwagie, Reg. No. 70,075
`Carlmm Camera; Vaedmmzrgh.‘ £3. [im'éqnisfl RA.
`Capclia 'l‘owcr, Suite 42%
`225 South Sixth Street
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`Minneapolis, MN 55402
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`r"
`'
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`'-’-:‘-.. -‘-.--1.-.
`EHMP]. nhauwagmgm: murman‘nerm um
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`Executed by the Mafia-sad with the authority of Patent Owner Oxygenator Water
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`“technologies, Inc.
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`For: Oxygenatorjfigter Teehpglugieg Inc.
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`Signature; 2/1/74, 4:. (ELM: _.
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`
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`By: Mark Rolfes
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`_
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`__
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`Title: Chief Eeeuiiyegfiiee;
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`Date:
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`_ March 30, 2021____
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`
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`IPR2021-00625
`Patent: RE45415
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`
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`CERTIFICATION OF SERVICE
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`Pursuant to 37 C.F.R. § 42.6(e) and the agreement of the parties, the
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`undersigned certifies that on March 30, 2021, a true and correct copy of the
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`foregoing Patent Owner Oxygenator Water Technologies, Inc.’s Power of Attorney
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`Pursuant to 37 C.F.R. § 42.10(b) was served via electronic mail upon the
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`following:
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`R. Scott Johnson (Reg. No. 45,792)
`Fredrikson & Byron, P.A.
`505 E. Grand Ave., Suite 200
`Des Moines, IA 50309
`Phone: (515) 242-8930
`Fax: (515) 242-8950
`Email: RSJohnson@fredlaw.com
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`Adam R. Steinert
`Fredrikson & Byron, P.A.
`200 South 6th Street, Suite 4000
`Minneapolis, MN 55402
`Tel: (612) 492-7000
`Fax: (612) 492-7797
`Email: asteinert@fredlaw.com
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`/s/ J. Derek Vandenburgh
`J. Derek Vandenburgh (Lead Counsel)
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`2
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