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 US06/194,649external-prioritypatent/US4381327A/en
Priority claimed from US06/222,830external-prioritypatent/US4409604A/en
Priority claimed from US06/222,829external-prioritypatent/US4365549A/en
Application filed by Dennison Mfg CofiledCriticalDennison Mfg Co
Priority claimed from NZ198031Aexternal-prioritypatent/NZ198031A/en
Publication of NZ212028ApublicationCriticalpatent/NZ212028A/en