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
CA619761A
Inventor
R. Sassaman Walter
Teiser Sidney
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.)
LAWYERS' CO-OPERATIVE PUBLISHING Co
Original Assignee
LAWYERS' CO-OPERATIVE PUBLISHING Co
Publication date
Application grantedgrantedCritical
Publication of CA619761ApublicationCriticalpatent/CA619761A/en