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.)
DAVID JOHN WHITTINGHAM IV FREDERICK HENRY BULTMAN and PAUL KENNETH KRAUSE JOHN DENISON HOPKINS
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.)
Walker Manufacturing Co
Original Assignee
Walker Manufacturing Co
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
Application filed by Walker Manufacturing CofiledCriticalWalker Manufacturing Co
Application grantedgrantedCritical
Publication of AU4242564ApublicationCriticalpatent/AU4242564A/en
Publication of AU286216B2publicationCriticalpatent/AU286216B2/en