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
CA807574A
Inventor
Hummel 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.)
Cf Ploucquet Firma
Original Assignee
Cf Ploucquet Firma
Publication date
Application grantedgrantedCritical
Publication of CA807574ApublicationCriticalpatent/CA807574A/en