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
CA596453A
Inventor
E. Oven Gerald
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.)
Rinshed-Mason Co
Original Assignee
Rinshed-Mason Co
Publication date
Application grantedgrantedCritical
Publication of CA596453ApublicationCriticalpatent/CA596453A/en