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
Application filed by Leon Dr. LilienfeldfiledCriticalLeon Dr. Lilienfeld
Priority to GR300102888ApriorityCriticalpatent/GR2888B/el
Publication of GR2888BpublicationCriticalpatent/GR2888B/el