US 421,000,004 B2

URI: https://gptkb.org/entity/US_421%2C000%2C004_B2
GPTKB entity
Properties (11)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract unknown
gptkbp:applicationNumber 421000004
gptkbp:assignee unknown
gptkbp:fieldOfInvention unknown
gptkbp:filingDate unknown
gptkbp:grantDate unknown
https://www.w3.org/2000/01/rdf-schema#label US 421,000,004 B2
gptkbp:inventor unknown
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:title unknown