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a2 INTER PARTES REVIEW CERTIFICATE (1140th)
`United States Patent
`(10) Number:
`US 7,933,171 K1
`
`(45) Certificate Issued:Keller et al. Apr. 1, 2019
`
`
`(54) PERSONAL DIGITAL STEREO PLAYER
`
`(75)
`
`Inventors: Peter J. Keller; Michael J. Kelley
`
`(73) Assignee: ADVANCED AUDIO DEVICES,
`LLC
`
`Trial Number:
`
`IPR2014-01157 filed Jul. 11, 2014
`
`Inter Partes Review Certificate for:
`
`Patent No.:
`Issued:
`Appl. No.:
`Filed:
`
`7,933,171
`Apr. 26, 2011
`12/855,510
`Aug. 12, 2010
`
`The results of IPR2014-01157 are reflected in this inter
`partes review certificate under 35 U.S.C. 318(b).
`
`

`

`INTER PARTES REVIEW CERTIFICATE
`U.S. Patent 7,933,171 K1
`Trial No. IPR2014-01157
`Certificate Issued Apr. 1, 2019
`
`1
`
`AS A RESULT OF THE INTER PARTES
`REVIEW PROCEEDING, IT HAS BEEN
`DETERMINED THAT:
`
`Claims1, 2, 5, 6, 7, 14, 17, 20, 23, 26, 28, 37, 40, 42,43 °
`and 45-48 are cancelled.
`
`

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