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
CA846651A
Inventor
A. Provi Mike
Robert Guinter S.
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.)
Brearley Co
Original Assignee
Brearley Co
Publication date
Application grantedgrantedCritical
Publication of CA846651ApublicationCriticalpatent/CA846651A/en