Inventor · disambiguated record
Richard Lee Stringfellow
Also filed as: STRINGFELLOW RICHARD LEE
2 granted patents·7 citations·filing 2014–2015
45Inventor score
Technology areasE21B
Files withHYDRIL USA DISTRIB LLC2
Top patents by PatentIndex Score
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →