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
CA739251A
Inventor
Roy Roland
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.)
LES INDUSTRIES ROY LTEE
Original Assignee
LES INDUSTRIES ROY LTEE
Publication date
Application grantedgrantedCritical
Publication of CA739251ApublicationCriticalpatent/CA739251A/en