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
CA689826A
Inventor
H. Pennell Franklin
P. Sopher Raeman
T. Niemann John
J. Rieppel Perry
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.)
IMO Industries Inc
Original Assignee
Franklin H Pennell
John T Niemann
Raeman P Sopher
De Laval Turbine Inc
Publication date
Application grantedgrantedCritical
Publication of CA689826ApublicationCriticalpatent/CA689826A/en