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Priority claimed from US09/240,622external-prioritypatent/US6039797A/en
Application filed by Crayola LlcfiledCriticalCrayola Llc
Publication of HK1029364A1publicationCriticalpatent/HK1029364A1/en
Publication of HK1029364BpublicationCriticalpatent/HK1029364B/en