Inventor · disambiguated record
Joseph C. Duffey
Also filed as: DUFFEY JOSEPH C · DUFFEY JOSEPH L
0 granted patents·2 pending applications·0 citations·filing 2006–2007
Technology areasB25B
Files withDUFFEY JOSEPH C2
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →