Inventor · disambiguated record

Donald Ray Lingenfelter

Also filed as: LINGENFELTER DONALD R · LINGENFELTER DONALD RAY

1 granted patent·1 pending application·15 citations·filing 20112012

36Inventor score
Technology areasF04BH01R
Files withBAKER HUGHES INC1FREY JEFFREY G1

Top patents by PatentIndex Score

2 records

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