Statements (14)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:patent
|
| gptkbp:bfsLayer |
4
|
| gptkbp:bfsParent |
gptkb:Kinetophone
gptkb:Vitascope |
| gptkbp:application |
gptkb:CEO
|
| gptkbp:appointed_by |
November 30, 1897
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:field |
paper manufacturing
|
| https://www.w3.org/2000/01/rdf-schema#label |
U. S. Patent 594,038
|
| gptkbp:invention |
gptkb:John_H._Mc_Gowan
594038 |
| gptkbp:participated_in |
gptkb:Mc_Gowan_Manufacturing_Company
|
| gptkbp:status |
expired
|
| gptkbp:title |
Improvement in the Art of Making a Certain Kind of Paper
|