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
CA706063A
Inventor
A. Wandel Oscar
H. Doyle Richard
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.)
Duo Fast Corp
Original Assignee
Duo Fast Corp
Publication date
Application grantedgrantedCritical
Publication of CA706063ApublicationCriticalpatent/CA706063A/en