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
CA841566A
Inventor
Schuler Wolfgang
Wiegand Gunter
Keib Heinz
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.)
WERNER H W SCHULLER
Original Assignee
WERNER H W SCHULLER
Publication date
Application grantedgrantedCritical
Publication of CA841566ApublicationCriticalpatent/CA841566A/en