US 9,188,292 B2 https://patents.google.com/patent/US9188292B2/en?oq=US+9%2c188%2c292+B2
US 9,188,292 B2 https://patents.google.com/patent/US9188292B2/en?oq=US+9%2c188%2c292+B2 Share Share on Facebook Tweet Tweet on Twitter Pin it Pin on Pinterest