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
CA602324A
Inventor
H. Caskey Paul
C. Reents August
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.)
Illinois Water Treatment Co
Original Assignee
Illinois Water Treatment Co
Publication date
Application grantedgrantedCritical
Publication of CA602324ApublicationCriticalpatent/CA602324A/en