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
CA882990A
Inventor
B. Hamilton Clark
Moody Harold
R. Blatt James
Soumerai Henri
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.)
DUNHAM-BUSH
Original Assignee
DUNHAM-BUSH
Publication date
Application grantedgrantedCritical
Publication of CA882990ApublicationCriticalpatent/CA882990A/en