Process of Manufacturing Carbons (U.S. Patent 252,386)
GPTKB entity
Statements (12)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:US_patent
|
| gptkbp:assignee |
gptkb:Thomas_Edison
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:date |
January 17, 1882
|
| gptkbp:fieldOfInvention |
carbon manufacturing
|
| https://www.w3.org/2000/01/rdf-schema#label |
Process of Manufacturing Carbons (U.S. Patent 252,386)
|
| gptkbp:inventedBy |
gptkb:Thomas_Edison
|
| gptkbp:patent |
252,386
|
| gptkbp:relatedTo |
electric lamp filaments
|
| gptkbp:status |
expired
|
| gptkbp:bfsParent |
gptkb:Lewis_H._Latimer
|
| gptkbp:bfsLayer |
8
|