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 CS152770Aexternal-prioritypatent/CS194152B2/en
Application filed by Ronald M Cresswell, John W Mentha, Russell SeamanfiledCriticalRonald M Cresswell
Priority to CS768031ApriorityCriticalpatent/CS194182B2/en
Publication of CS194182B2publicationCriticalpatent/CS194182B2/en