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.)
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Illinois Water Treatment CofiledCriticalIllinois Water Treatment Co
Application grantedgrantedCritical
Publication of CA1172779ApublicationCriticalpatent/CA1172779A/fr