`
`In re Patent of:
`U.S. Patent No.:
`Issue Date:
`Appl. Serial No.:
`Filing Date:
`Title:
`
`Carlos Aldana, et al.
`8,416,862
`April 9, 2013
`11/237,341
`September 28, 2005
`EFFICIENT FEEDBACK OF CHANNEL INFORMATION IN A CLOSED
`LOOP BEAMFORMING WIRELESS COMMUNICATION SYSTEM
`
`Mail Stop Patent Board
`Patent Trial and Appeal Board
`U.S. Patent and Trademark Office
`P.O. Box 1450
`Alexandria, VA 22313-1450
`
`PETITIONER’S POWER OF ATTORNEY IN POST GRANT PROCEEDINGS BEFORE
`THE PATENT TRIAL AND APPEAL BOARD
`
`Petitioner, Apple Inc., hereby appoints the following practitioners as its attorneys to
`transact all business in the United States Patent & Trademark Office associated with any inter
`partes review, post grant review, or other review proceedings before the Patent Trial and Appeal
`Board of the above-captioned patent:
`
`W. Karl Renner, Reg. No. 41,265
`Jeremy J. Monaldo, Reg. No. 58,680
`Timothy W. Riffe, Reg. No. 43,881
`Christopher Hoff, Reg. No. 67,738
`
`and all practitioners associated with PTO Customer Number 26171.
`I have the authority to execute this document on behalf of Apple Inc.
`
`Apple Inc.
`
`By:
`Name: Jeffrey L. Myers
`Title: Chief IP Counsel
`Date:
`
`______
`
`