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
CA778562A
Inventor
O. Rudd Milo
C. Tripp Walter
A. Beasley George
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.)
UNIVIS
Original Assignee
UNIVIS
Publication date
Application grantedgrantedCritical
Publication of CA778562ApublicationCriticalpatent/CA778562A/en