(1) Find the same family on the EPO or the national bureau and find the US number;
(2) Download it from the US bureau. The URL I provided is a link to download the US authorized patent. Patent Use the one with US××××××B at the end; for the US application download URL, go to the home page of the US Bureau to find the link; do not add US, / when searching for the US Bureau;
(3) National Bureau or free Databases such as SOOIP can be retrieved by directly entering the US number.