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
AU20696/67A
Inventor
FRANK STERLING and CYRIL FRANCIS DRAKE HENLEY
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.)
Nokia Services Ltd
Original Assignee
Standard Telephone and Cables Pty Ltd
Filing date
Publication of AU402448B2publicationCriticalpatent/AU402448B2/en
Application filed by Standard Telephone and Cables Pty LtdfiledCriticalStandard Telephone and Cables Pty Ltd