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
CA649527A
Inventor
W. Tydeman Clarence
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.)
TYDEMAN MACHINE WORKS
Original Assignee
TYDEMAN MACHINE WORKS
Publication date
Application grantedgrantedCritical
Publication of CA649527ApublicationCriticalpatent/CA649527A/en