Statements (14)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:US_patent
|
| gptkbp:applicationDeadline |
1904
|
| gptkbp:awardedBy |
gptkb:John_Ambrose_Fleming
|
| gptkbp:country |
gptkb:United_Kingdom
|
| gptkbp:influenced |
electronics industry
development of radio technology |
| gptkbp:inventedBy |
gptkb:John_Ambrose_Fleming
|
| gptkbp:patent |
GB190424850A
|
| gptkbp:relatedTo |
gptkb:vacuum_tube
thermionic valve |
| gptkbp:title |
Improvements in Instruments for Detecting and Measuring Alternating Electric Currents
|
| gptkbp:bfsParent |
gptkb:US803684A_(thermionic_valve)
|
| gptkbp:bfsLayer |
6
|
| https://www.w3.org/2000/01/rdf-schema#label |
Fleming valve patent
|