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
CA638955A
Inventor
Forster Wilhelm
Gerlach Martin
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.)
BAYERISCHE SCHRAUBEN- und FEDERNFABRIKEN RICHARD BERGNER
Original Assignee
BAYERISCHE SCHRAUBEN- und FEDERNFABRIKEN RICHARD BERGNER
Publication date
Application grantedgrantedCritical
Publication of CA638955ApublicationCriticalpatent/CA638955A/en