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
CA596612A
Inventor
S. Neville Richard
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.)
VAN VALKENBURGH NOOGER AND NEVILLE
Original Assignee
VAN VALKENBURGH NOOGER AND NEVILLE
Publication date
Application grantedgrantedCritical
Publication of CA596612ApublicationCriticalpatent/CA596612A/en