Patent 9,366,871
Issued 6/14/2016
http://pdfpiw.uspto.gov/.piw?PageNum=0&docid=09366871&IDKey=E6730C8B00D1%0D%0A&HomeUrl=http%3A%2F%…
Patent 9,366,871
Issued 6/14/2016
http://pdfpiw.uspto.gov/.piw?PageNum=0&docid=09366871&IDKey=E6730C8B00D1%0D%0A&HomeUrl=http%3A%2F%…