US 2200000 B1

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Statements (11)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract unknown
gptkbp:assignee unknown
gptkbp:classification unknown
gptkbp:filingDate unknown
gptkbp:grantDate unknown
https://www.w3.org/2000/01/rdf-schema#label US 2200000 B1
gptkbp:inventor unknown
gptkbp:patentNumber 2200000
gptkbp:status unknown
gptkbp:title unknown