US 594,232

URI: https://gptkb.org/entity/US_594,232
GPTKB entity
Statements (12)
Predicate Object
gptkbp:instanceOf gptkb:US_patent
gptkbp:assignee gptkb:Thomas_Edison
gptkbp:country gptkb:United_States
gptkbp:date 1897-11-23
gptkbp:fieldOfInvention gptkb:audio_recordings
gptkbp:inventedBy gptkb:Thomas_Edison
gptkbp:patent 594,232
gptkbp:status expired
gptkbp:title gptkb:Phonograph
gptkbp:bfsParent gptkb:US_Patent_3991322
gptkbp:bfsLayer 7
https://www.w3.org/2000/01/rdf-schema#label US 594,232
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