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
CA656138A
Inventor
C. Good Fred
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.)
FRED C GOOD AND SONS
Original Assignee
FRED C GOOD AND SONS
Publication date
Application grantedgrantedCritical
Publication of CA656138ApublicationCriticalpatent/CA656138A/en