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 Hirsch MarksfiledCriticalRonald Hirsch Marks
Priority to DK308255ApriorityCriticalpatent/DK87920C/en
Application grantedgrantedCritical
Publication of DK87920CpublicationCriticalpatent/DK87920C/en