Inventor · disambiguated record

Friederich H. Langer

Also filed as: LANGER FRIEDERICH H

1 granted patent·52 citations·filing 1987–1987

49Inventor score
Technology areasE21B
Files withWEATHERFORD US INC1

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1 record

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →