Inventor · disambiguated record
John R. O'Toole
Also filed as: O'TOOLE JOHN R · O'TOOLE John
4 granted patents·24 citations·filing 1989–2011
69Inventor score
Technology areasB41J
Top patents by PatentIndex Score
4 records- 0169US5007748APrinter for bar code using thin and thick bar code fontsIBM·Filed 1989·Granted Apr 16, 1991·19 cites·11 claims
- 0257US8517504B2Print head hydration systemWALKER CASEY·Filed 2011·Granted Aug 27, 2013·1 cites·15 claims
- 0349US8573722B2Ink flow regulation mechanismWALKER CASEY E·Filed 2011·Granted Nov 5, 2013·0 cites·20 claims
- 0440US4967662AHigh speed printer with interposerIBM·Filed 1989·Granted Nov 6, 1990·4 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →