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
CA869887A
Inventor
W. Graham Ollie
Original Assignee
Combustion Engineering Inc
Publication date
Application grantedgrantedCritical
Publication of CA869887ApublicationCriticalpatent/CA869887A/en