Statements (11)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:person
|
| gptkbp:birthYear |
1933
|
| gptkbp:deathYear |
2011
|
| gptkbp:nationality |
gptkb:American
|
| gptkbp:notableFor |
work in mechanical engineering
contributions to the development of the Yankee screwdriver |
| gptkbp:occupation |
gptkb:engineer
gptkb:inventor |
| gptkbp:bfsParent |
gptkb:Eileen_Heckart
|
| gptkbp:bfsLayer |
5
|
| https://www.w3.org/2000/01/rdf-schema#label |
John Harrison Yankee Jr.
|