Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:intellectual_property
|
| gptkbp:administered_by |
1887-09-20
|
| gptkbp:application |
US370197 A
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:field_of_use |
paper manufacturing
|
| https://www.w3.org/2000/01/rdf-schema#label |
US Patent 370,197
|
| gptkbp:invention |
gptkb:John_W._Mc_Gowan
utility patent |
| gptkbp:may_be_assigned_to |
gptkb:Mc_Gowan_&_Co.
|
| gptkbp:status |
expired
|
| gptkbp:title |
Improvement in the Art of Making Paper
|
| gptkbp:bfsParent |
gptkb:Bell's_electric_sound_reproducer
|
| gptkbp:bfsLayer |
4
|