Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:person
|
| gptkbp:activePeriod |
19th century
|
| gptkbp:gender |
female
|
| https://www.w3.org/2000/01/rdf-schema#label |
Mary Walton
|
| gptkbp:knownFor |
pollution control inventions
|
| gptkbp:nationality |
gptkb:American
|
| gptkbp:notableInvention |
railway noise reduction system
smoke pollution reduction system |
| gptkbp:occupation |
gptkb:inventor
|
| gptkbp:patent |
gptkb:US_Patent_221,880
gptkb:US_Patent_237,422 |
| gptkbp:bfsParent |
gptkb:Lewis_Morris
|
| gptkbp:bfsLayer |
5
|