Statements (14)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:Company
|
| gptkbp:bfsLayer |
5
|
| gptkbp:bfsParent |
gptkb:Lee_de_Forest
|
| gptkbp:dissolved |
1920s
|
| gptkbp:founded |
1902
|
| gptkbp:founder |
gptkb:Lee_De_Forest
|
| gptkbp:headquarters |
gptkb:Borough
|
| https://www.w3.org/2000/01/rdf-schema#label |
De Forest Radio Company
|
| gptkbp:industry |
gptkb:Telecommunications_company
|
| gptkbp:invention |
Audion tube
|
| gptkbp:key_people |
gptkb:John_A._Fleming
gptkb:Lee_De_Forest |
| gptkbp:products |
Radio equipment
|
| gptkbp:successor |
gptkb:Radio_Corporation_of_America
|