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
CA917000A
Inventor
Wiebe Donald
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.)
A Stucki Co
Original Assignee
A Stucki Co
Publication date
Application grantedgrantedCritical
Publication of CA917000ApublicationCriticalpatent/CA917000A/en