IN THE UNITED STATES PATENT AND TRADEMARK OFFICE
`
`BEFORE THE PATENT AND TRIAL BOARD
`
`In re
`
`Trial Number: IPR20 16-01496
`
`Inter Parres Review of
`
`U8. Patent No. 7,134,505
`
`Filed: April 13, 2005
`
`Issued: November 14, 2006
`
`Inventors: Jim Fehr; Daniel Jon Thernig
`
`“METHOD AND APPARATUS FOR WELLBORE FLUID TREATMENT”
`
`POWER OF ATTORNEY PURSUANT TO 37 C.F.R. § 42.10; b}
`
`Petitioners Baker Hughes Incorporated and Baker Hughes Oilfield Operations, Inc.
`
`hereby appoint the attorneys associated with Customer Number 32425 to represent
`
`the undersigned and transact all business in the United States Patent‘ and
`
`Trademark Office in connection with the a‘ocve—referenced Inter Partes Review of
`
`U.S. Patent No. 7,134,505.
`
`Date: 7[
`
`'2 /
`
`AlRiddl
`
`Titles: Assistant Secretary for Petitioner Baker
`Hughes Incorporated, and Vice President for
`Petitioner Baker Hughes Oilfield Operations, Inc.
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