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
CA799797A
Inventor
Hofer Peter
Daniels Wilhelm
Oetliker Walter
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.)
Winkler Fallert and Co AG Maschinenfabrik
Original Assignee
Walter Oetliker
Wilhelm Daniels
Winkler Fallert and Co AG Maschinenfabrik
Publication date
Application grantedgrantedCritical
Publication of CA799797ApublicationCriticalpatent/CA799797A/en