Inventor · disambiguated record

Frank J. Birch

Also filed as: BIRCH FRANK J

4 granted patents·40 citations·filing 19982013

75Inventor score
Technology areasF16LF16F
Files withBIRCH FRANK J2GRINNELL CORP1MUELLER INT LLC1

Top patents by PatentIndex Score

4 records

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