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Priority claimed from US08/436,102external-prioritypatent/US5748783A/en
Priority claimed from US08/508,083external-prioritypatent/US5841978A/en
Priority claimed from US08534005external-prioritypatent/US5832119C1/en
Application filed by Digimarc CorpfiledCriticalDigimarc Corp
Publication of HK1026796A1publicationCriticalpatent/HK1026796A1/en