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
CA861302A
Inventor
Lam Robert
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.)
United Filtration Corp
Original Assignee
United Filtration Corp
Publication date
Application grantedgrantedCritical
Publication of CA861302ApublicationCriticalpatent/CA861302A/en