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
CA744178A
Inventor
K. Kellems Kenneth
Brydolf Robert
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.)
ACMETRACK Ltd
Original Assignee
ACMETRACK Ltd
Publication date
Application grantedgrantedCritical
Publication of CA744178ApublicationCriticalpatent/CA744178A/en