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
CA742439A
Inventor
Bowers Eric
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.)
T BOWERS AND CO TOOLMAKERS Ltd
Original Assignee
T BOWERS AND CO TOOLMAKERS Ltd
Publication date
Application grantedgrantedCritical
Publication of CA742439ApublicationCriticalpatent/CA742439A/en