UK Patent 4933 (1878) for electric lamp
GPTKB entity
Statements (11)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:US_patent
|
| gptkbp:awardedBy |
improvements in electric lamps
|
| gptkbp:country |
gptkb:United_Kingdom
|
| https://www.w3.org/2000/01/rdf-schema#label |
UK Patent 4933 (1878) for electric lamp
|
| gptkbp:inventedBy |
gptkb:Joseph_Swan
|
| gptkbp:patent |
4933
|
| gptkbp:subject |
electric lamp
|
| gptkbp:year |
1878
|
| gptkbp:bfsParent |
gptkb:Sir_Joseph_Wilson_Swan
gptkb:Joseph_Wilson_Swan |
| gptkbp:bfsLayer |
7
|