Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from IN1001/CAL/81Aexternal-prioritypatent/IN157589B/en
Priority claimed from US06/442,895external-prioritypatent/US4492810A/en
Application filed by Energy Conversion Devices IncfiledCriticalEnergy Conversion Devices Inc
Priority to IN1411/CAL/83ApriorityCriticalpatent/IN157667B/en
Publication of IN157667BpublicationCriticalpatent/IN157667B/en