Inventor · disambiguated record
John S. O'Callaghan
Also filed as: O'CALLAGHAN JOHN · O'CALLAGHAN JOHN S · O'CALLAGHAN SR JOHN S
12 granted patents·384 citations·filing 1989–2002
93Inventor score
Files withBELL & HOWELL POSTAL SYSTEMS5BELL & HOWELL CO4BELL & HOWELL DOCUMENT MANAGEM1BOWE BELL & HOWELL CO1BOWE BELL & HOWELL POSTAGE SYS1
Top patents by PatentIndex Score
12 records- 0194US5829742AIn-feed magazine apparatus and method for loading documentsBELL & HOWELL POSTAL SYSTEMS·Filed 1996·Granted Nov 3, 1998·79 cites·13 claims
- 0293US6575358B2Automatic verification equipmentBELL & HOWELL POSTAL SYSTEMS·Filed 2001·Granted Jun 10, 2003·53 cites·24 claims
- 0385US5503388ABuffered stackerBELL & HOWELL CO·Filed 1994·Granted Apr 2, 1996·33 cites·12 claims
- 0483US6311892B1Automatic system for verifying articles containing indicia thereonBELL & HOWELL POSTAL SYSTEMS·Filed 1997·Granted Nov 6, 2001·81 cites·77 claims
- 0581US5934666AIn-feed magazine apparatus and method for loading documentsBELL & HOWELL POSTAL SYSTEMS·Filed 1998·Granted Aug 10, 1999·32 cites·12 claims
- 0680US5783032ALinerless label applicatorBELL & HOWELL POSTAL SYSTEMS·Filed 1996·Granted Jul 21, 1998·52 cites·19 claims
- 0776US6964367B2Automatic system for verifying articles containing indicia thereonBOWE BELL & HOWELL CO·Filed 2001·Granted Nov 15, 2005·13 cites·20 claims
- 0855US5538140ABuffered stacker with drop floor assemblyBELL & HOWELL CO·Filed 1994·Granted Jul 23, 1996·17 cites·9 claims
- 0943US6949710B2Mail weighing system and scale apparatusBOWE BELL & HOWELL POSTAGE SYS·Filed 2002·Granted Sep 27, 2005·3 cites·18 claims
- 1040US5182991AMulti-position incremental document endorserBELL & HOWELL DOCUMENT MANAGEM·Filed 1991·Granted Feb 2, 1993·12 cites·16 claims
- 1139US4984008AFilm number writing systemBELL & HOWELL CO·Filed 1989·Granted Jan 8, 1991·3 cites·19 claims
- 1237US4960273ADual mode document feederBELL & HOWELL CO·Filed 1989·Granted Oct 2, 1990·6 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →