Inventor · disambiguated record
John O'Hern
Also filed as: O'HERN JOHN · O'HERN JOHN F
3 granted patents·3 pending applications·37 citations·filing 2005–2009
71Inventor score
Technology areasB43K
Top patents by PatentIndex Score
6 records- 0159USD548786SSquare-shaped writing instrument with abrasive surface on upper portionO'HERN JAMES·Filed 2005·Granted Aug 14, 2007·15 cites·1 claims
- 0255USD602525SWriting instrument with nail fileO'HERN JOHN F·Filed 2008·Granted Oct 20, 2009·12 cites·1 claims
- 0350USD548785STriangular-shaped writing instrument with abrasive surface on upper portionO'HERN JAMES·Filed 2005·Granted Aug 14, 2007·10 cites·1 claims
- 0449US2011027001A1Writing instrument fitted with a filing sleeve, which acts as a plunging mechanism and has an abrasive surface to be used for nail filingO'HERN JOHN·Filed 2009·Application pending·0 cites
- 0543US2007258751A1Writing instrument with recessed portion and abrasive surfaceO'HERN JOHN·Filed 2006·Application pending·0 cites
- 0643US2007258752A1Writing instrument fitted with a filing sleeve having an abrasive surfaceO'HERN JOHN·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →