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 US289674Aexternal-prioritypatent/US3224491A/en
Application filed by Pneumo Dynamics CorpfiledCriticalPneumo Dynamics Corp
Priority to NO16111466ApriorityCriticalpatent/NO120508B/no
Publication of NO120508BpublicationCriticalpatent/NO120508B/no