Assertion: button accordion | /r/HasProperty | patented under the name accordion
Facets:
value: in 1829
type: TEMPORAL
value: by cyril demian
type: OTHER
Source sentences:
text: The first diatonic button accordion was patented under the name 'Accordion' in 1829 by Cyril Demian.
text: The first diatonic button accordion was patented under the name 'Accordion' in 1829 by Cyril Demian.