Statements (8)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:person
|
| gptkbp:knownFor |
engineering inventions
|
| gptkbp:nationality |
gptkb:American
|
| gptkbp:occupation |
gptkb:engineer
gptkb:inventor |
| gptkbp:bfsParent |
gptkb:AT&T_Long_Lines
|
| gptkbp:bfsLayer |
5
|
| https://www.w3.org/2000/01/rdf-schema#label |
Clifford D. Spangler
|