US Patent 763,770

GPTKB entity

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