Inventor · disambiguated record

Patrick R. Callihan

Also filed as: CALLIHAN PATRICK R

1 granted patent·35 citations·filing 1982–1982

45Inventor score
Technology areasE21B
Files withFARR OIL TOOL INC1

Top patents by PatentIndex Score

1 record

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