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
CA863859A
Inventor
Orlandini Bruno
Kirkpatrick Kenneth
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.)
Bunker Hill Co
Original Assignee
Bunker Hill Co
Publication date
Application grantedgrantedCritical
Publication of CA863859ApublicationCriticalpatent/CA863859A/en