Assignee
FILTER QUEEN LTD
CA·3 granted patents·93 citations·filing 1985–1989
Top patents by PatentIndex Score
3 records- 0186US5006018AFeed and separation deviceFILTER QUEEN LTD·Filed 1989·Granted Apr 9, 1991·48 cites·9 claims
- 0278US4834586AFeed and separation deviceFILTER QUEEN LTD·Filed 1987·Granted May 30, 1989·31 cites·13 claims
- 0358USD294187SHousing for a central vacuum cleanerFILTER QUEEN LTD·Filed 1985·Granted Feb 9, 1988·14 cites·1 claims
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