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
CA 5475
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.)
ARTHUR VANGRAVE HALL
Original Assignee
ARTHUR VANGRAVE HALL
Publication date
Priority to CA 5475priorityCriticalpatent/CA5475S/en
Application grantedgrantedCritical
Publication of CA5475SpublicationCriticalpatent/CA5475S/en