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
CA608254A
Inventor
R. Van Sittert Paul
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.)
ROTOR TOOL Co
Original Assignee
ROTOR TOOL Co
Publication date
Application grantedgrantedCritical
Publication of CA608254ApublicationCriticalpatent/CA608254A/en