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 Joseph Alfred WebbfiledCriticalJoseph Alfred Webb
Priority to NZ21549887ApriorityCriticalpatent/NZ215498A/en
Publication of NZ215498ApublicationCriticalpatent/NZ215498A/en