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
CA650464A
Inventor
S. Anderson Anders
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.)
ROLL-O-MATIC TILLER Ltd
Original Assignee
ROLL-O-MATIC TILLER Ltd
Publication date
Application grantedgrantedCritical
Publication of CA650464ApublicationCriticalpatent/CA650464A/en