Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:person
|
| gptkbp:advocatesFor |
gptkb:Underground_Railroad
|
| gptkbp:birthPlace |
gptkb:Leesburg,_Virginia
|
| gptkbp:birthYear |
1816
|
| gptkbp:deathPlace |
gptkb:Harrisburg,_Pennsylvania
|
| gptkbp:deathYear |
1916
|
| gptkbp:ethnicity |
gptkb:African-American
|
| http://www.w3.org/2000/01/rdf-schema#label |
Joseph Winters
|
| gptkbp:knownFor |
portable fire escape ladder
|
| gptkbp:nationality |
gptkb:American
|
| gptkbp:notableFor |
fire escape invention
|
| gptkbp:occupation |
gptkb:abolitionist
gptkb:inventor |
| gptkbp:patent |
US Patent No. 203,517
US Patent No. 214,224 US Patent No. 221,552 |
| gptkbp:bfsParent |
gptkb:Thiokol_Corporation
|
| gptkbp:bfsLayer |
7
|