JJ Zhao, RW Glenn Jr, TR Thompson… - US Patent …, 2018 - Google Patents
6, 162, 834 A 6, 268, 431 B1 6, 335, 312 B1 6, 579, 907 B1 6, 743, 760 B1 7, 541, 320 B2 7,
531, 497 B2 7, 666, 825 B2 8, 609, 600 B2 8, 741, 363 B2 8, 771, 765 B1 9, 186, 642 B2 9 …