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
CA812278A
Inventor
Dennert Heinz
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.)
Veit Dennert KG
Original Assignee
Veit Dennert KG
Publication date
Application grantedgrantedCritical
Publication of CA812278ApublicationCriticalpatent/CA812278A/en