Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:US_patent
|
| gptkbp:assignee |
gptkb:Samuel_Morse
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:date |
1840-06-20
|
| gptkbp:describes |
An early patent for the electric telegraph system.
|
| gptkbp:fieldOfInvention |
telegraphy
|
| gptkbp:filingDate |
1837-04-07
|
| https://www.w3.org/2000/01/rdf-schema#label |
US1647A (telegraph)
|
| gptkbp:inventedBy |
gptkb:Samuel_Morse
|
| gptkbp:patent |
US1647A
|
| gptkbp:title |
Improvement in Telegraphy
|
| gptkbp:bfsParent |
gptkb:Samuel_Finley_Breese_Morse
|
| gptkbp:bfsLayer |
5
|