Statements (12)
Predicate | Object |
---|---|
gptkbp:instanceOf |
gptkb:US_patent
|
gptkbp:assignee |
gptkb:Thomas_Edison
|
gptkbp:country |
gptkb:United_States
|
gptkbp:date |
1884-02-12
|
gptkbp:fieldOfInvention |
electric lighting
|
https://www.w3.org/2000/01/rdf-schema#label |
US patent 293545
|
gptkbp:inventedBy |
gptkb:Thomas_Edison
|
gptkbp:patent |
293545
|
gptkbp:status |
expired
|
gptkbp:title |
lighthouse
|
gptkbp:bfsParent |
gptkb:Lewis_Waterman
|
gptkbp:bfsLayer |
7
|