Inventor · disambiguated record
David R. Prengaman
Also filed as: PRENGAMAN DAVID R
4 granted patents·3 citations·filing 2006–2018
61Inventor score
Top patents by PatentIndex Score
4 records- 0169US7923155B2Lead-tin-silver-bismuth containing alloy for positive grid of lead acid batteriesNORTHSTAR BATTERY CO LLC·Filed 2008·Granted Apr 12, 2011·2 cites·20 claims
- 0265US10637044B2Corrosion resistant positive grid for lead-acid batteriesNORTHSTAR BATTERY CO LLC·Filed 2018·Granted Apr 28, 2020·0 cites·16 claims
- 0364US9985276B2Corrosion resistant positive grid for lead-acid batteriesNORTHSTAR BATTERY CO LLC·Filed 2014·Granted May 29, 2018·0 cites·30 claims
- 0464US7704452B2Alloy and anode for use in the electrowinning of metalsRSR TECHNOLOGIES INC·Filed 2006·Granted Apr 27, 2010·1 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →