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
CA745797A
Inventor
E. Becker 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.)
MUELLER-WELT CONTACT LENSES
Original Assignee
MUELLER-WELT CONTACT LENSES
Publication date
Application grantedgrantedCritical
Publication of CA745797ApublicationCriticalpatent/CA745797A/en