Inventor · disambiguated record

Alfred E. Gratrix, Sr.

Also filed as: GRATRIX SR ALFRED E

1 granted patent·2 citations·filing 2020–2020

18Inventor score
Technology areasF16B
Files withCOSGROVE MICHAEL1

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1 record

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