Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:US_patent
|
| gptkbp:application |
US22913
|
| gptkbp:assignee |
gptkb:Elisha_Gray
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:date |
1879-06-29
|
| gptkbp:fieldOfInvention |
telegraphy
|
| gptkbp:filingDate |
1879-05-29
|
| gptkbp:inventedBy |
gptkb:Elisha_Gray
|
| gptkbp:patent |
22913
|
| gptkbp:title |
Improvement in telegraphy
|
| gptkbp:bfsParent |
gptkb:US3098766A
|
| gptkbp:bfsLayer |
7
|
| http://www.w3.org/2000/01/rdf-schema#label |
US22913A
|