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 Universal Oil Prod CofiledCriticalUniversal Oil Prod Co
Priority to DK431674ApriorityCriticalpatent/DK143196C/da
Publication of DK431674ApublicationCriticalpatent/DK431674A/da
Publication of DK143196BpublicationCriticalpatent/DK143196B/da
Application grantedgrantedCritical
Publication of DK143196CpublicationCriticalpatent/DK143196C/da