Inventor · disambiguated record

Otto J. Granhaug

Also filed as: GRANHAUG OTTO J

1 granted patent·10 citations·filing 1984–1984

32Inventor score
Technology areasE21B
Files withYONKER JOHN H1

Top patents by PatentIndex Score

1 record

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