ref patents:
Application US10/513,254 events
2003-05-12
Application filed by Individual 2003-05-12, Priority to US10/513,254 2004-11-01, Assigned to KARL R. LEWIS 2006-10-26,
Publication of US20060236582A1 2012-08-07, Application granted 2012-08-07, Publication of US8234808B2 2014-08-27...