How to know patch information in oracle

Query:
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set lines 300 pages 300
col COMMENTS for a30
col VERSION for a20
col NAMESPACE for a20
col ACTION_TIME for a30
col ACTION for a20

select * from DBA_REGISTRY_HISTORY;

col ACTION_TIME for a30
col DESCRIPTION for a50
col BUNDLE_SERIES for a15
col BUNDLE_DATA for a5
col LOGFILE for a20
set lines 300
select PATCH_ID,VERSION,ACTION,STATUS,ACTION_TIME,DESCRIPTION,BUNDLE_SERIES,BUNDLE_ID from dba_registry_sqlpatch;