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
CA787614A
Inventor
C. Green George
M. Ortlieb Robert
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.)
Devlieg Machine Co
Original Assignee
Devlieg Machine Co
Publication date
Application grantedgrantedCritical
Publication of CA787614ApublicationCriticalpatent/CA787614A/en