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
CA606575A
Inventor
F. Couch Glenn
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.)
Symington Gould Co
Original Assignee
Symington Gould Co
Publication date
Application grantedgrantedCritical
Publication of CA606575ApublicationCriticalpatent/CA606575A/en