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
CA754446A
Inventor
Pensa Ildo
O. Rau Robert
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.)
JP Stevens and Co Inc
Original Assignee
JP Stevens and Co Inc
Publication date
Application grantedgrantedCritical
Publication of CA754446ApublicationCriticalpatent/CA754446A/en