Inventor · disambiguated record
Ryan Charles Kerfein
Also filed as: KERFEIN RYAN CHARLES
1 granted patent·0 citations·filing 2021–2021
7Inventor score
Technology areasE04G
Files withHOFFMAN & HOFFMAN INC1
Top patents by PatentIndex Score
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →