Growing community of inventors

Portland, OR, United States of America

John S Stafford

Average Co-Inventor Count = 4.00

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 = 204

John S StaffordMichael A Kepler (2 patents)John S StaffordNicholas J Elsey (2 patents)John S StaffordMichael Essex (2 patents)John S StaffordJohn S Stafford (2 patents)Michael A KeplerMichael A Kepler (36 patents)Nicholas J ElseyNicholas J Elsey (15 patents)Michael EssexMichael Essex (2 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Metro One Telecommunications, Inc. (2 from 46 patents)


2 patents:

1. 6944279 - Enhanced directory assistance service providing individual or group directories

2. 6870921 - Enhanced directory assistance service providing individual or group directories

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as of
12/10/2025
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