Inventor · disambiguated record

Don Harold

Also filed as: ENGEL DONALD FRANCIS · HAROLD DECEASED DON · HAROLD DON

9 granted patents·875 citations·filing 19972003

93Inventor score
Technology areasB01D
Files withDONALDSON CO INC9

Top patents by PatentIndex Score

9 records

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