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 Carl Christian GravesenfiledCriticalCarl Christian Gravesen
Priority to DK35145ApriorityCriticalpatent/DK66516C/da
Application grantedgrantedCritical
Publication of DK66516CpublicationCriticalpatent/DK66516C/da