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
Application number
CA737231A
Inventor
H. Podoloff Richard
E. Lipfert Donald
Buchsbaum Frank
G. Leathers Ward
S. Harris Thomas
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.)
Teleregister Corp
Original Assignee
Teleregister Corp
Publication date
Application grantedgrantedCritical
Publication of CA737231ApublicationCriticalpatent/CA737231A/en