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
CA858825A
Inventor
Leitzsch Horst
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.)
Steiner Optik GmbH
Original Assignee
Steiner Optik GmbH
Publication date
Application grantedgrantedCritical
Publication of CA858825ApublicationCriticalpatent/CA858825A/en