[1]Patent:US2005/85645,2005,A1.Locationinpatent:Page/Pagecolumn10-12
[1]Patent:US2005/85645,2005,A1.Locationinpatent:Page/Pagecolumn11
[1]Patent:US2005/85645,2005,A1.Locationinpatent:Page/Pagecolumn9
[1]Patent:US6107254,2000,A
[1]Patent:US4863504,1989,A