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
Priority claimed from US06/487,816external-prioritypatent/US4487035A/en
Application filed by C Greener RichardfiledCriticalC Greener Richard
Publication of DK620484D0publicationCriticalpatent/DK620484D0/da
Publication of DK620484ApublicationCriticalpatent/DK620484A/da