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
CA896242A
Inventor
A. Ireland Graham
L. Mcnaughton Douglas
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.)
Leigh Instruments Ltd
Original Assignee
Leigh Instruments Ltd
Publication date
Application grantedgrantedCritical
Publication of CA896242ApublicationCriticalpatent/CA896242A/en