Inventor · disambiguated record

Frederic D. R. Sparrevohn

Also filed as: SPARREVOHN FREDERIC D R

1 granted patent·10 citations·filing 1977–1977

32Inventor score
Technology areasE05C
Files withSPARREVOHN FREDERIC D R1

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