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
CA590748A
Inventor
E. R. Harrison John
Kagan Sholly
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.)
Avco Manufacturing Corp
Original Assignee
Avco Manufacturing Corp
Publication date
Application grantedgrantedCritical
Publication of CA590748ApublicationCriticalpatent/CA590748A/en