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 Ronald WallacefiledCriticalRonald Wallace
Priority to GR850777ApriorityCriticalpatent/GR850777B/el
Publication of GR850777BpublicationCriticalpatent/GR850777B/el