ZL 201480059368.3 (2016.04.28) / ZL 201480059368.3 (2632610) (2017.09.22)
10-2015-0148964 (2015.10.26) / 10-1757766 (2017.07.07)
10-2014-0056730 (2014.05.12) / 10-1599495 (2016.02.25)
10-2010-0024940 (2010.03.19) / 10-1151757 (2012.05.24)
2006-542510 (2006.06.01) / 4237228 (2008.12.26)
10-2004-0000182 (2004.01.03) / 10-0558267 (2006.02.28)