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 Arnold SchultefiledCriticalArnold Schulte
Priority to FI861933ApriorityCriticalpatent/FI75371C/en
Publication of FI861933A0publicationCriticalpatent/FI861933A0/en
Publication of FI861933ApublicationCriticalpatent/FI861933A/en
Application grantedgrantedCritical
Publication of FI75371BpublicationCriticalpatent/FI75371B/en
Publication of FI75371CpublicationCriticalpatent/FI75371C/en