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
CA881957A
Inventor
Bachmann Wolfgang
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.)
HENRY AND CIE
JEAN KAUER AND CIE
Original Assignee
HENRY AND CIE
JEAN KAUER AND CIE
Publication date
Application grantedgrantedCritical
Publication of CA881957ApublicationCriticalpatent/CA881957A/en