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 Webb John Thomas HfiledCriticalWebb John Thomas H
Priority to PT7935284ApriorityCriticalpatent/PT79352B/pt
Publication of PT79352ApublicationCriticalpatent/PT79352A/pt
Publication of PT79352BpublicationCriticalpatent/PT79352B/pt