Growing community of inventors

Chicago Heights, IL, United States of America

Leondo R Phifer

Average Co-Inventor Count = 4.36

ph-index = 2

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 74

Leondo R PhiferWalter S Conard (2 patents)Leondo R PhiferRoger Spitzig (2 patents)Leondo R PhiferMark Gerard Paul (1 patent)Leondo R PhiferMichael G Boston (1 patent)Leondo R PhiferRobert M Richards (1 patent)Leondo R PhiferMichael J McIntee (1 patent)Leondo R PhiferMarvin L Isles (1 patent)Leondo R PhiferLeondo R Phifer (2 patents)Walter S ConardWalter S Conard (24 patents)Roger SpitzigRoger Spitzig (8 patents)Mark Gerard PaulMark Gerard Paul (7 patents)Michael G BostonMichael G Boston (6 patents)Robert M RichardsRobert M Richards (4 patents)Michael J McInteeMichael J McIntee (3 patents)Marvin L IslesMarvin L Isles (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Bell & Howell, LLC (2 from 66 patents)


2 patents:

1. 8520888 - Apparatus, method and programmable product for identification of a document with feature analysis

2. 8245933 - Method and system for applying a postal authority barcode on a document processing system

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1/7/2026
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