Properties (12)
Predicate | Object |
---|---|
gptkbp:instanceOf |
patent
|
gptkbp:applicationNumber |
US549160A
|
gptkbp:assignee |
gptkb:Houghton_&_Dutton
|
gptkbp:country |
gptkb:United_States
|
gptkbp:duration |
17 years
|
gptkbp:fieldOfUse |
paper manufacturing
|
https://www.w3.org/2000/01/rdf-schema#label |
U.S. Patent 549,160
|
gptkbp:inventor |
George_W._H._Houghton
|
gptkbp:issuedOn |
October 24, 1895
|
gptkbp:patentType |
utility patent
|
gptkbp:status |
expired
|
gptkbp:title |
Improvement in the Art of Making Paper
|