Statements (12)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:US_patent
|
| gptkbp:assignee |
gptkb:Thomas_A._Edison
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:describes |
An improvement in telegraph apparatus, specifically in the method of automatic transmission of telegraphic messages.
|
| gptkbp:filingDate |
1869-08-13
|
| https://www.w3.org/2000/01/rdf-schema#label |
US88231A
|
| gptkbp:inventedBy |
gptkb:Thomas_A._Edison
|
| gptkbp:patent |
88231
|
| gptkbp:publicationDate |
1869-03-23
|
| gptkbp:title |
Improvement in telegraphy
|
| gptkbp:bfsParent |
gptkb:Westinghouse_air_brake
|
| gptkbp:bfsLayer |
6
|