Inventor · disambiguated record

David H. Graef

Also filed as: GRAEF DAVID H

1 granted patent·1 citations·filing 2021–2021

15Inventor score
Technology areasF16K
Files withSPM OIL & GAS INC1

Top patents by PatentIndex Score

1 record

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