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
AU18975/56A
Inventor
John Gale Alfred
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.)
High Voltage Engineering Corp
Original Assignee
High Voltage Engineering Corp
Filing date
Publication of AU216451B2publicationCriticalpatent/AU216451B2/en
Application filed by High Voltage Engineering CorpfiledCriticalHigh Voltage Engineering Corp