US 10570563 b2 US 10563352 b2 US 10280294 b2 US 9988762 b2 US 9944789 b2 US 9228243 b2 US 9120712 b2 US 9068291 b2 US 8981168 b2 US 8785688 b2 US 8632744 b2 US 8608970 b2 US 8475627 b2 US 8372320 b2 US 8362306 b2 US 8100605 b2 US 7943009 b2 US 7842161 b2 US