Statements (11)
Predicate | Object |
---|---|
gptkbp:instanceOf |
patent
|
gptkbp:applicationNumber |
No. 396,000
|
gptkbp:assignee |
gptkb:McGowan_Manufacturing_Company
|
gptkbp:class |
Class 162
|
gptkbp:country |
gptkb:United_States
|
gptkbp:fieldOfUse |
paper manufacturing
|
https://www.w3.org/2000/01/rdf-schema#label |
US Patent 763,770
|
gptkbp:inventor |
John H. McGowan
|
gptkbp:issuedOn |
August 23, 1904
|
gptkbp:status |
expired
|
gptkbp:title |
Improvement in the Art of Making Paper
|