Statements (12)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:US_patent
|
| gptkbp:applicationDeadline |
1889-03-30
|
| gptkbp:assignee |
gptkb:Nikola_Tesla
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:date |
1889-06-25
|
| gptkbp:fieldOfInvention |
electric lighting
|
| gptkbp:inventedBy |
gptkb:Nikola_Tesla
|
| gptkbp:patent |
405,740
|
| gptkbp:title |
Method of Operating Arc-Lamps
|
| gptkbp:bfsParent |
gptkb:Linotype
|
| gptkbp:bfsLayer |
7
|
| http://www.w3.org/2000/01/rdf-schema#label |
US patent 405,740
|