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.)
INDEPENDENT FILTER Co OF CHICAGO
Original Assignee
INDEPENDENT FILTER Co OF CHICAGO
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 INDEPENDENT FILTER Co OF CHICAGOfiledCriticalINDEPENDENT FILTER Co OF CHICAGO
Application grantedgrantedCritical
Publication of CA72629ApublicationCriticalpatent/CA72629A/en