Statements (12)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:patent
|
| gptkbp:application |
180857
|
| gptkbp:appointed_by |
1876-03-21
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:field |
paper manufacturing
|
| https://www.w3.org/2000/01/rdf-schema#label |
US Patent 180857
|
| gptkbp:invention |
gptkb:William_H._M._Smith
|
| gptkbp:participated_in |
gptkb:Smith_&_Co.
|
| gptkbp:status |
expired
|
| gptkbp:title |
Improvement in the Art of Making Paper
|
| gptkbp:bfsParent |
gptkb:Edison_mimeograph
|
| gptkbp:bfsLayer |
3
|