Inventor · disambiguated record
David P. Parks
Also filed as: PARKS DAVID P
3 granted patents·1 pending application·106 citations·filing 1997–2002
75Inventor score
Technology areasA47L
Files withHOOVER CO3
Top patents by PatentIndex Score
4 records- 0181US5961676AHard bag door with air directing arrangementHOOVER CO·Filed 1998·Granted Oct 5, 1999·60 cites·22 claims
- 0276US6875255B2Removable dirt separation system for a vacuum cleanerHOOVER CO·Filed 2002·Granted Apr 5, 2005·28 cites·18 claims
- 0348US5863309AHard bag door with air directing arrangementHOOVER CO·Filed 1997·Granted Jan 26, 1999·18 cites·13 claims
- 0439US2003145566A1Disposable filtration bagFiled 2002·Application pending·0 cites
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