EX-99.4 27 knos_ex99z4.htm UNITED STATES PATENT United States Patent

[knosex99z41.jpg]




[knosex99z42.jpg]




[knosex99z43.jpg]




[knosex99z44.jpg]




[knosex99z45.jpg]




[knosex99z46.jpg]




[knosex99z47.jpg]




[knosex99z48.jpg]




[knosex99z49.jpg]




[knosex99z410.jpg]




[knosex99z411.jpg]




[knosex99z412.jpg]




[knosex99z413.jpg]




[knosex99z414.jpg]




[knosex99z415.jpg]