Legal status (The legal status 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 status listed.)
Robert Austin Pendleton. Jonathan Russell Roehrig and Ralph Henry Vacca Richard Butterworth Lawrance
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
National Research Corp
Original Assignee
National Research Corp
Filing date
Publication date
Application filed by National Research CorpfiledCriticalNational Research Corp
Application grantedgrantedCritical
Publication of AU3143057ApublicationCriticalpatent/AU3143057A/en
Publication of AU226070B2publicationCriticalpatent/AU226070B2/en