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 29224
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.)
ALBERT L VROMAN
LEO E BOUCHER
Original Assignee
ALBERT L VROMAN
LEO E BOUCHER
Publication date
Priority to CA 29224priorityCriticalpatent/CA29224S/en
Application grantedgrantedCritical
Publication of CA29224SpublicationCriticalpatent/CA29224S/en