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
CA727160A
Inventor
R. Andrews Edwin
L. Schaar John
A. Carr Albert
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.)
Richardson Vicks Inc
Original Assignee
Richardson Merrell Inc
Publication date
Application grantedgrantedCritical
Publication of CA727160ApublicationCriticalpatent/CA727160A/en