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
CA776037A
Inventor
Esser Klaus
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.)
Klaus Esser KG
Original Assignee
Klaus Esser KG
Publication date
Application grantedgrantedCritical
Publication of CA776037ApublicationCriticalpatent/CA776037A/en