Inventor

PHILLIPS CHRISTOPHER WOOLF

US3 patents

Patents

3 patents

US9495447B1Nov 15, 2016

Music playlists for geographical regions

AMAZON TECH INC11 citations77

US9299331B1Mar 29, 2016

Techniques for selecting musical content for playback

AMAZON TECH INC14 citations77

US10482125B1Nov 19, 2019

Music playlists for geographical regions

AMAZON TECH INC0 citations45