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
CA648418A
Inventor
Brach Eugene
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.)
ALEXANDER WAGMAN
Original Assignee
ALEXANDER WAGMAN
Publication date
Application grantedgrantedCritical
Publication of CA648418ApublicationCriticalpatent/CA648418A/en