Assignee
CAMPBELL DOUGLAS C
US·7 granted patents·146 citations·filing 1976–2011
Top patents by PatentIndex Score
7 records- 0194US8643481B2Interior rearview mirror assembly with integrated indicator symbolCAMPBELL DOUGLAS C·Filed 2010·Granted Feb 4, 2014·20 cites·29 claims
- 0291US5208936AVariable speed pig for pipelinesCAMPBELL DOUGLAS C·Filed 1991·Granted May 11, 1993·73 cites·11 claims
- 0382US8625034B2Seatback entertainment display systemCAMPBELL DOUGLAS C·Filed 2006·Granted Jan 7, 2014·15 cites·4 claims
- 0477US8791804B2Bi-directional portable electronic device for interaction with vehicle systemsCAMPBELL DOUGLAS C·Filed 2011·Granted Jul 29, 2014·16 cites·8 claims
- 0573US9587958B2Mobile device gateway systems and methodsCAMPBELL DOUGLAS C·Filed 2008·Granted Mar 7, 2017·9 cites·10 claims
- 0654US9180819B2Interior rearview mirror assembly with integrated indicator symbolCAMPBELL DOUGLAS C·Filed 2010·Granted Nov 10, 2015·1 cites·25 claims
- 0744US4043394APlugging of abandoned dry wellsCAMPBELL DOUGLAS C·Filed 1976·Granted Aug 23, 1977·12 cites·4 claims
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