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 45859
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.)
JAMES A PRESTON
MAURICE VAN COILLIE
Original Assignee
JAMES A PRESTON
MAURICE VAN COILLIE
Publication date
Priority to CA 45859priorityCriticalpatent/CA45859S/en
Application grantedgrantedCritical
Publication of CA45859SpublicationCriticalpatent/CA45859S/en