Individual holder
CALDWELL DAVID W
US·6 granted patents·74 citations·filing 1976–2012
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
6 records- 0196US8135482B2Intelligent shelving systemCALDWELL DAVID W·Filed 2010·Granted Mar 13, 2012·55 cites·14 claims
- 0274US8866497B2Apparatus and method for determining a touch inputCALDWELL DAVID W·Filed 2010·Granted Oct 21, 2014·4 cites·30 claims
- 0372US9306561B2Touch switches and practical applications thereforCALDWELL DAVID W·Filed 2012·Granted Apr 5, 2016·3 cites·24 claims
- 0467US8227940B2Touch switches and practical applications thereforCALDWELL DAVID W·Filed 2011·Granted Jul 24, 2012·2 cites·16 claims
- 0555US8307549B2Method of making an electrical circuitCALDWELL DAVID W·Filed 2004·Granted Nov 13, 2012·4 cites·26 claims
- 0641US4099477AEngine powered water craftCALDWELL DAVID W·Filed 1976·Granted Jul 11, 1978·6 cites·13 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →