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
CA826871A
Inventor
Oetiker Hans
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.)
Oetiker Schweiz AG
Original Assignee
Hans Oetiker AG Maschinen und Apparatefabrik
Publication date
Application grantedgrantedCritical
Publication of CA826871ApublicationCriticalpatent/CA826871A/en