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 Webster John A JrfiledCriticalWebster John A Jr
Priority to GR70875ApriorityCriticalpatent/GR77980B/el
Publication of GR77980BpublicationCriticalpatent/GR77980B/el