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
AU7068/42A
Inventor
Arthur Tunstall Harold
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.)
WT Henleys Telegraph Works Co Ltd
Original Assignee
WT Henleys Telegraph Works Co Ltd
Filing date
Publication of AU118293B2publicationCriticalpatent/AU118293B2/en
Application filed by WT Henleys Telegraph Works Co LtdfiledCriticalWT Henleys Telegraph Works Co Ltd