Individual holder
PUTNAM DAVID L
US·4 granted patents·1 pending application·77 citations·filing 1997–2017
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
5 records- 0190US8202503B2Visual, continuous and simultaneous measurement of solution ammonia and hydrogen ion concentrationPUTNAM DAVID L·Filed 2010·Granted Jun 19, 2012·22 cites·11 claims
- 0286US8968681B2Filtered assay device and methodPUTNAM DAVID L·Filed 2009·Granted Mar 3, 2015·6 cites·19 claims
- 0384US9068976B2Integrated filtration bioanalyzerPUTNAM DAVID L·Filed 2009·Granted Jun 30, 2015·8 cites·33 claims
- 0473US8173438B1Microbiological assessment method and device utilizing oxygen gradient sensingPUTNAM DAVID L·Filed 1997·Granted May 8, 2012·41 cites·37 claims
- 0534US2017229803A1Methods and devices that facilitate object orientationPUTNAM DAVID L·Filed 2017·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →