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
CA717836A
Inventor
A. Mcroy Frank
C. Lindsey James
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.)
Seeburg Corp
Original Assignee
Seeburg Corp
Publication date
Application grantedgrantedCritical
Publication of CA717836ApublicationCriticalpatent/CA717836A/en