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
CA686421A
Inventor
R. Millard George
B. Bidelman Bruce
R. Martin Raymond
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.)
RONAN AND KUNZL
Original Assignee
RONAN AND KUNZL
Publication date
Application grantedgrantedCritical
Publication of CA686421ApublicationCriticalpatent/CA686421A/en