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
CA917582A
Inventor
Giese Emil
Maurer Ruprecht
Maurer Albrecht
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.)
Ringspann Albrecht Maurer KG
Original Assignee
Ringspann Albrecht Maurer KG
Publication date
Application grantedgrantedCritical
Publication of CA917582ApublicationCriticalpatent/CA917582A/en