US patent 0,900,000

URI: https://gptkb.org/entity/US_patent_0%2C900%2C000
GPTKB entity
Properties (5)
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gptkbp:instanceOf patent
gptkbp:description unknown invention
gptkbp:filedIn unknown
https://www.w3.org/2000/01/rdf-schema#label US patent 0,900,000
gptkbp:issuedBy unknown