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
AU13398/66A
Inventor
LEONARD HEPTINSTALL and ARTHUR LESLIE LAMBER DENNIS
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.)
Her Majestys Postmaster General
Original Assignee
Her Majestys Postmaster General
Filing date
Publication of AU410243B2publicationCriticalpatent/AU410243B2/en
Application filed by Her Majestys Postmaster GeneralfiledCriticalHer Majestys Postmaster General