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
CA908759A
Inventor
W. Meacher John
S. Pile David
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.)
WESTMINSTER ENGINEERING Co Ltd
Original Assignee
WESTMINSTER ENGINEERING Co Ltd
Publication date
Application grantedgrantedCritical
Publication of CA908759ApublicationCriticalpatent/CA908759A/en