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.)
Expired - Lifetime
Application number
AU14329/44A
Inventor
Gordon Hunter Douglas
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.)
Houghton-Betcher Manufacturing Co Ltd
Original Assignee
Houghton-Betcher Manufacturing Co Ltd
Filing date
Publication of AU121335B2publicationCriticalpatent/AU121335B2/en
Application filed by Houghton-Betcher Manufacturing Co LtdfiledCriticalHoughton-Betcher Manufacturing Co Ltd