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by rmudie96
Fri May 21, 2021 2:10 pm
Forum: PATSTAT Product Line
Topic: Zip Code Column Empty
Replies: 1
Views: 3610

Zip Code Column Empty

Hi, I'm trying to extract the zip codes for a number of patents from PATSTAT and it seems everything is empty. My code is this: SELECT tls209_appln_ipc.appln_id, ipc_class_symbol, tls201_appln.appln_auth, tls201_appln.appln_id, appln_filing_year, tls206_person.person_ctry_code, tls206_person.psn_sec...