Inventor · disambiguated record
Frederic Duchesne
Also filed as: DUCHESNE FREDERIC
2 granted patents·1 pending application·15 citations·filing 2004–2005
57Inventor score
Technology areasB43K
Top patents by PatentIndex Score
3 records- 0175US8096722B2Writing instrument with retractable tipROLION FRANCK·Filed 2005·Granted Jan 17, 2012·7 cites·15 claims
- 0260US7452147B2Writing instrument with a lateral buttonBIC SOC·Filed 2004·Granted Nov 18, 2008·8 cites·11 claims
- 0338US2007134046A1Mechanical pencilROLION FRANCK·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →