Statements (9)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:Person
|
| gptkbp:birth_date |
1886-01-01
|
| gptkbp:death_date |
1972-01-01
|
| https://www.w3.org/2000/01/rdf-schema#label |
Mary Glidden
|
| gptkbp:known_for |
inventing the first commercially successful ballpoint pen
|
| gptkbp:nationality |
gptkb:American
|
| gptkbp:bfsParent |
gptkb:Joseph_Glidden
gptkb:Joseph_F._Glidden |
| gptkbp:bfsLayer |
7
|