Statements (12)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:company
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:founded |
1929
|
| gptkbp:industry |
hearing aids
|
| gptkbp:notableEvent |
developed early transistor hearing aids
|
| gptkbp:notableFor |
first commercial transistor hearing aid (1952)
|
| gptkbp:notableProduct |
gptkb:hearing_aid
|
| gptkbp:status |
defunct
|
| gptkbp:bfsParent |
gptkb:Las_Chicas_del_Can
gptkb:MC_Solaar_(album) |
| gptkbp:bfsLayer |
8
|
| https://www.w3.org/2000/01/rdf-schema#label |
Sonotone
|