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
AU28581/57A
Inventor
Alfred Jenny Dietrich
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.)
RCA Corp
Original Assignee
Radio Corporation of America
Filing date
Publication of AU223258B2publicationCriticalpatent/AU223258B2/en
Application filed by Radio Corporation of AmericafiledCriticalRadio Corporation of America