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
CA711881A
Inventor
S. Wood Keith
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.)
WOOD BROTHERS Manufacturing CO
Original Assignee
WOOD BROTHERS Manufacturing CO
Publication date
Application grantedgrantedCritical
Publication of CA711881ApublicationCriticalpatent/CA711881A/en