Inventor · disambiguated record

Donald F. Helenthal

Also filed as: HELENTHAL DONALD F

1 granted patent·57 citations·filing 1979–1979

49Inventor score
Technology areasC02F
Files withDAVIS DAVID W1

Top patents by PatentIndex Score

1 record

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