Individual holder
CAMPBELL DAVID C
US·4 granted patents·2 pending applications·32 citations·filing 2006–2012
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
6 records- 0188US9050712B2Driving tool with internal air compressorCAMPBELL DAVID C·Filed 2012·Granted Jun 9, 2015·12 cites·22 claims
- 0286US8714566B2Tool chuck with indicator mechanismCAMPBELL DAVID C·Filed 2011·Granted May 6, 2014·8 cites·19 claims
- 0378US9149923B2Oscillating tools and accessoriesCAMPBELL DAVID C·Filed 2012·Granted Oct 6, 2015·9 cites·22 claims
- 0472US9259790B2Power tool with automatic chuckCAMPBELL DAVID C·Filed 2012·Granted Feb 16, 2016·3 cites·16 claims
- 0550US2007237904A1Powered painting padCAMPBELL DAVID C·Filed 2007·Application pending·0 cites
- 0638US2007186433A1Ratchet lock for automatic tape measureCAMPBELL DAVID C·Filed 2006·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →