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
CA818813A
Inventor
Schwegler Edwin
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.)
Bauer AG Switzerland
Original Assignee
Bauer AG Switzerland
Publication date
Application grantedgrantedCritical
Publication of CA818813ApublicationCriticalpatent/CA818813A/en