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
Inventor
Schubiger Gian-Franco
Rostagno Walter
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.)
Afico SA
Original Assignee
Afico SA
Publication date
Application grantedgrantedCritical
Publication of CA671203ApublicationCriticalpatent/CA671203A/en