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
CA878155A
Inventor
C. Weiss Paul
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.)
Ambac Industries Inc
Original Assignee
Ambac Industries Inc
Publication date
Application grantedgrantedCritical
Publication of CA878155ApublicationCriticalpatent/CA878155A/en