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
AU42204/68A
Inventor
L. Calhoun Fredrick
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.)
At-O Inc
Original Assignee
At-O Inc
Filing date
Publication of AU426060B2publicationCriticalpatent/AU426060B2/en
Application filed by At-O IncfiledCriticalAt-O Inc