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
CA724364A
Inventor
Benkoe Erwin
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.)
TRANSOGRAM Co
Original Assignee
TRANSOGRAM Co
Publication date
Application grantedgrantedCritical
Publication of CA724364ApublicationCriticalpatent/CA724364A/en