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
CA772234A
Inventor
J. Hofmann Fritz
Hess Walter
Borowski Kurt
Maatsch Jurgen
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 CA772234ApublicationCriticalpatent/CA772234A/en