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
CA639373A
Inventor
Putsch Karl
Schmeisser Heinz
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.)
C GUSTAV PUTSCH Firma
Original Assignee
C GUSTAV PUTSCH Firma
Publication date
Application grantedgrantedCritical
Publication of CA639373ApublicationCriticalpatent/CA639373A/en