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
CA669550A
Inventor
L. Flanagan Thomas
W. Slipp Kenneth
P. Neff 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.)
KILLINGWORTH ENGINEERS
Original Assignee
KILLINGWORTH ENGINEERS
Publication date
Application grantedgrantedCritical
Publication of CA669550ApublicationCriticalpatent/CA669550A/en