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
CA893996A
Inventor
Marcovitch Jacob
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.)
ROTARY PROFILE ANSTALT
Original Assignee
ROTARY PROFILE ANSTALT
Publication date
Application grantedgrantedCritical
Publication of CA893996ApublicationCriticalpatent/CA893996A/en