U.S. Patent No. 462,093

URI: https://gptkb.org/entity/U.S._Patent_No._462,093
GPTKB entity
Statements (12)
Predicate Object
gptkbp:instanceOf gptkb:US_patent
gptkbp:applicationDeadline 1891-05-23
gptkbp:assignee gptkb:Thomas_A._Edison
gptkbp:country gptkb:United_States
gptkbp:date 1891-10-27
gptkbp:fieldOfInvention gptkb:cassette_tape
gptkbp:inventedBy gptkb:Thomas_A._Edison
gptkbp:status expired
gptkbp:title gptkb:Electrically_Operated_Phonograph
gptkbp:bfsParent gptkb:Philip_Downing
gptkbp:bfsLayer 6
https://www.w3.org/2000/01/rdf-schema#label U.S. Patent No. 462,093