Statements (12)
Predicate | Object |
---|---|
gptkbp:instanceOf |
gptkb:US_patent
|
gptkbp:assignee |
gptkb:Albert_Einstein
|
gptkbp:country |
gptkb:United_States
|
gptkbp:date |
1905-04-18
|
gptkbp:fieldOfInvention |
sound reproduction
|
https://www.w3.org/2000/01/rdf-schema#label |
US patent 787,981
|
gptkbp:inventedBy |
gptkb:Albert_Einstein
|
gptkbp:language |
English
|
gptkbp:patent |
787,981
|
gptkbp:title |
Electromagnetic sound reproduction apparatus
|
gptkbp:bfsParent |
gptkb:Jozef_Murgaš
|
gptkbp:bfsLayer |
7
|