`
`In re Patent of:
`U.S. Patent No.:
`
`Issue Date:
`Appl. Serial No.:
`Filing Date:
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`Harry E. Eaton et al.
`7,060,360
`
`June 13, 2006
`10/443,342
`May 22, 2003
`BOND COAT FOR SILICON BASED SUBSTRATES
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`Mail Stop Patent Board
`Patent Trial and Appeal Board
`U.S. Patent and Trademark Office
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`P.O. Box 1450
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`Alexandria, VA 22313-1450
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`PATENT OWNER'S POWER OF ATTORNEY IN POST GRANT PROCEEDINGS BEFORE THE PATE_[I_I
`TRIAL AND APPEAL BOARD
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`Patent Owner, United Technologies Corporation, hereby appoints the following practitioners as its
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`attorneys to transact all business in the United States Patent & Trademark Office associated with any inter
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`partes review, covered business method review, post grant review, or other review proceedings before the
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`Patent Trial and Appeal Board of the above—captioned patent:
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`W. Karl Renner, Reg. No. 41.265
`
`Timothy W. Riffe, Reg. No. 43,881
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`and all practitioners associated with PTO Customer Number 26171.
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`I have the authority to execute this document on behalf of United Technologies Corporation.
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`UNITED TECHNOLOGIES CORPORATION
`
`é
`
`Troy Prince,
`Chief Intellectual Property Counsel of Pratt & Whitney,
`on Behalf of United Technologies Corporation, Pratt &
`
`/f
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`Date
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`Z0/Q