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
CA696830A
Inventor
F. Haughton Paul
H. Espy James
Original Assignee
Combustion Engineering Inc
Publication date
Application grantedgrantedCritical
Publication of CA696830ApublicationCriticalpatent/CA696830A/en