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Priority claimed from US06/407,983external-prioritypatent/US4438724A/en
Priority claimed from US06/466,995external-prioritypatent/US4450786A/en
Application filed by Energy Conversion Devices IncfiledCriticalEnergy Conversion Devices Inc
Application grantedgrantedCritical
Publication of ATE18680T1publicationCriticalpatent/ATE18680T1/de