GRANTLEY PATENT HOLDINGS, LTD., Plaintiff-Appellee, v. CLEAR CHANNEL COMMUNICATIONS, INC., Clear Channel Management Services, LP (doing business as LAN International), Ackerley Broadcasting Fresno, Inc., Ackerley Broadcasting Operations, LLC, AMFM Broadcasting, Inc., Capstar Radio Operating Company, Citicasters Company, Clear Channel Broadcasting, Inc., Jacor Broadcasting Corporation, and Jacor Broadcasting of Colorado, Defendants-Appellants