Inventor · disambiguated record
Darrell Griffin
Also filed as: GRIFFIN DARRELL · GRIFFIN DARRELL R
4 granted patents·102 citations·filing 1989–2021
71Inventor score
Top patents by PatentIndex Score
4 records- 0189US5011782AMethod of making passivated antireflective coating for photovoltaic cellELECTRIC POWER RES INST·Filed 1989·Granted Apr 30, 1991·99 cites·9 claims
- 0253US7583320B2Digital image display systemGRIFFIN DARRELL·Filed 2006·Granted Sep 1, 2009·1 cites·12 claims
- 0345US11313212B1Pre-hydration of friction reducers for wellbore fluidsHALLIBURTON ENERGY SERVICES INC·Filed 2021·Granted Apr 26, 2022·0 cites·18 claims
- 0427USD503706SVideo player adapter for portable handheld devicesFiled 2003·Granted Apr 5, 2005·2 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →