Statements (14)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:person
|
| gptkbp:dateOfBirth |
1930
|
| gptkbp:dateOfDeath |
2021
|
| gptkbp:founded |
gptkb:Koss_Corporation
|
| https://www.w3.org/2000/01/rdf-schema#label |
John C. Koss
|
| gptkbp:knownFor |
Koss headphones
|
| gptkbp:nationality |
gptkb:American
|
| gptkbp:notableFor |
founding Koss Corporation
inventing the stereo headphone |
| gptkbp:occupation |
gptkb:inventor
entrepreneur |
| gptkbp:placeOfBirth |
gptkb:Milwaukee,_Wisconsin,_United_States
|
| gptkbp:bfsParent |
gptkb:Koss
|
| gptkbp:bfsLayer |
7
|