R Helferich - US Patent App. 11/105,441, 2005 - Google Patents
US20050176451A1 - Systems and methods for adding information to a directory stored in a mobile device - Google Patents US20050176451A1 - Systems and methods for adding …
RJ Helferich - US Patent 7,627,305, 2009 - freepatentsonline.com
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RJ Helferich - US Patent App. 11/105,441, 2005 - freepatentsonline.com
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