US Patent 6469

GPTKB entity

Statements (11)
Predicate Object
gptkbp:instanceOf patent
gptkbp:applicationNumber US6469A
gptkbp:assignee Doe Industries
gptkbp:description A mechanical device for improving efficiency.
gptkbp:fieldOfUse mechanical engineering
https://www.w3.org/2000/01/rdf-schema#label US Patent 6469
gptkbp:inventor gptkb:John_Doe
gptkbp:issuedOn 1900-04-03
gptkbp:patentType utility patent
gptkbp:status expired
gptkbp:title Improvements in Mechanical Devices