Uber Issued U.S. Patent Titled ‘Facilitating rider pick-up for a self-driving vehicle’
https://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&u=%2Fnetahtml%2FPTO%2Fsearch-adv.htm&r=3941&f=G&l=50&d=PTXT&p=79&S1=20210720&OS=20210720&RS=20210720