US Patent 20,500,000

URI: https://gptkb.org/entity/US_Patent_20%2C500%2C000
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gptkbp:instanceOf Patent
gptkbp:abstract Unknown
gptkbp:assignee Unknown
gptkbp:filingDate Unknown
gptkbp:grantDate Unknown
https://www.w3.org/2000/01/rdf-schema#label US Patent 20,500,000
gptkbp:inventor Unknown
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:numberOfFigures 20,500,000
gptkbp:status Unknown
gptkbp:title Unknown