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 Svend JohnsenfiledCriticalSvend Johnsen
Priority to ZW19882ApriorityCriticalpatent/ZW19882A1/en
Publication of ZW19882A1publicationCriticalpatent/ZW19882A1/en