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
CA868478A
Inventor
Bourggraff Robert
Classen Franz
Labrot Gunter
Kaes Karl
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.)
Erste Deutsche Floatglas GmbH and Co OHG
Original Assignee
Erste Deutsche Floatglas GmbH and Co OHG
Publication date
Application grantedgrantedCritical
Publication of CA868478ApublicationCriticalpatent/CA868478A/en