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
CA656754A
Inventor
A. Bryan John
H. Lowe Eric
A. Parr Bernard
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.)
Parr Equipment Co Ltd
Original Assignee
Parr Equipment Co Ltd
Publication date
Application grantedgrantedCritical
Publication of CA656754ApublicationCriticalpatent/CA656754A/en