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 Kartotekfabrikant James H RandfiledCriticalKartotekfabrikant James H Rand
Application grantedgrantedCritical
Publication of DK38231CpublicationCriticalpatent/DK38231C/en