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
CA755007A
Inventor
Hess Walter
Sixel Gustav-Adolf
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.)
Beteiligungs und Patentverwaltungs GmbH
Original Assignee
Beteiligungs und Patentverwaltungs GmbH
Publication date
Application grantedgrantedCritical
Publication of CA755007ApublicationCriticalpatent/CA755007A/en