De Forest Radio Telephone & Telegraph Company
GPTKB entity
Statements (15)
Predicate | Object |
---|---|
gptkbp:instanceOf |
gptkb:company
|
gptkbp:country |
gptkb:United_States
|
gptkbp:foundedBy |
gptkb:Lee_de_Forest
|
gptkbp:foundedYear |
1907
|
gptkbp:headquartersLocation |
gptkb:New_York_City
|
https://www.w3.org/2000/01/rdf-schema#label |
De Forest Radio Telephone & Telegraph Company
|
gptkbp:industry |
gptkb:radio_station
telecommunications |
gptkbp:keyPerson |
gptkb:Lee_de_Forest
|
gptkbp:notableEvent |
early radio broadcasting experiments
|
gptkbp:notableProduct |
gptkb:Audion_vacuum_tube
|
gptkbp:predecessor |
De Forest Wireless Telegraph Company
|
gptkbp:status |
defunct
|
gptkbp:bfsParent |
gptkb:Allen_B._Du_Mont
|
gptkbp:bfsLayer |
6
|