United States Patent and Trademark Office     X000001
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Resolve uspto:X000001 with Default Provider  
Name Metaprefix URI
United States Patent and Trademark Office uspto http://patft.uspto.gov/netacgi/nph-Parser?Sect2=PTO1&Sect2=HITOFF&p=1&u=/netahtml/PTO/search-bool.html&r=1&f=G&l=50&d=PALL&RefSrch=yes&Query=PN/X000001
Bioregistry bioregistry https://bioregistry.io/uspto:X000001
Identifiers.org miriam https://identifiers.org/uspto:X000001
Name-to-Thing n2t https://n2t.net/uspto:X000001