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
CA900943A
Inventor
Huber Richard
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.)
ISTAG AG SUHR/AG
Original Assignee
ISTAG AG SUHR/AG
Publication date
Application grantedgrantedCritical
Publication of CA900943ApublicationCriticalpatent/CA900943A/en