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
CA607164A
Inventor
L. Carswell John
H. Carpenter James
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.)
Kewanee Oil Co
Original Assignee
Kewanee Oil Co
Publication date
Application grantedgrantedCritical
Publication of CA607164ApublicationCriticalpatent/CA607164A/en