EOG8F4VR7 IPR004843 11/18 EOG8F4VR7 IPR006186 9/18 EOG8F4VR7 IPR018249 5/18 EOG8F4VR7 IPR002048 3/18 EOG8F4VR7 IPR029052 2/18 EOG8F4VR7 IPR011992 2/18